114.0000 Family Dioscoreaceae R.Br.; Prodr. Fl. Nov. Holland. 294 (1810), nom. cons.

2 genera, ca. 600 spp.

Species listed in database: 641; hybrids: 1

114.2001 Genus Dioscorea L.; Sp. Pl. [Linnaeus] 2: 1032 (1753)

Distribution: trop., subtropical and warmtemp. regions, some extending to temperate regions (C-Europe, Caucasus, North America, Chile, Japan, etc.). Borderea (Pyrénées) and Tamus (Europe, Mediterranean) are frequently treated as separate genera.

Species listed in database: 639; hybrids: 1

species :

Dioscorea abysmophila Maguire & Steyerm.; Mem. New York Bot. Gard. 51: 105 (1989)

Distribution: Venezuela (Amazonas)

82 VEN

species :

Dioscorea abyssinica Hochst. ex Kunth; Enum. Pl. [Kunth] 5: 387 (1850)

Distribution: Senegal; Liberia; Mali; Burkina Faso; Ivory Coast; Ghana; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Central African Republic; Sudan; South Sudan; Ethiopia; Eritrea

22 BEN BKN GHA IVO LBR MLI NGA SEN 23 BIO CAF CMN 24 ERI ETH SSU SUD

species :

Dioscorea acanthogyne Rusby; Bull. New York Bot. Gard. 6: 492 (1910)

Distribution: Colombia (Antioquia, Bolívar, Boyacá, Caldas, Chocó, Cundinamarca, Huila, Santander, Sucre, Tolima); Peru; Bolivia (Beni, La Paz, Pando, Santa Cruz); NE-Brazil (Maranhao); WC-Brazil (Goiás, Mato Grosso do Sul); Paraguay (Alto Paraguay, Concepcion)

82 CLM VEN 83 BOL PER 84 BRA 85 PAR

Synonyms: hidden

= Dioscorea apurimacensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 94 (1931)

= Dioscorea corumbensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 241 (1924)

= Dioscorea gouanioides (Chodat & Hassl.) R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 192 (1917)

= Dioscorea guanaiensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 78 (1924)

= Dioscorea multiflora var. gouanioides Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1111 (1903)

= Dioscorea narinensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 82 (1930)

= Dioscorea paraguayensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 78 (1924)

= Dioscorea pozucoensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 86 (1930)

species :

Dioscorea acerifolia Phil.; Anales Univ. Chile 93: 15 (1896)

Distribution: Chile (Los Lagos)

85 CLE

species :

Dioscorea acuminata Baker; J. Linn. Soc., Bot. 21: 449 (1885)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea barbarum H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 33 (1928), nomen

species :

Dioscorea adenantha Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 86 (1897)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea aesculifolia R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 170 (1924)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea aguilarii Standl. & Steyerm.; Publ. Field Mus. Nat. Hist., Bot. Ser. 22: 133 (1940)

Distribution: Guatemala

80 GUA

species :

Dioscorea alainii Raz; Phytotaxa 258(1): 28 (2016)

Name: Bejuco de name, Calzoncillo, Guanbanza, Name mambi (Dominican Republic), Liomechotte (Haiti)

Distribution: Hispaniola (Dominican Republic, Haiti)

81 HIS

Synonyms: hidden

= Rajania hastata L.; Sp. Pl. [Linnaeus] 2: 1032 (1753)

= Rajania hastata var. angusta R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 222 (1917)

= Rajania hastata var. euhastata R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 222 (1917)

= Rajania hastata var. incisa R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 222 (1917)

= Rajania hastata var. latior R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 222 (1917)

= Rajania hastata var. triloba R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 222 (1917)

species :

Dioscorea alata L.; Sp. Pl. [Linnaeus] 2: 1033 (1753)

Name: Chupri Alu, Coconut Yam. Greater Asiatic Yam, Lisbon Yam, Oriental Yam, St. Vincent Red Yam, Water Yam, White Yam (Trinidad & Tobago); Fame de agua, Fame de mina, Native yam, Water yam, White yam

Distribution: not known in the wild; Guinea [c]; Burkina Faso [c]; Togo [c]; Cameroon [c]; Bioko Isl. [Fernando Poo] [c]; São Tomé [c]; Annobon Isl. [c]; Gabon [c]; Central African Republic [c]; S-Chad [c]; Angola [c]; Mozambique [c]; Madagascar [c]; Comores [c]; Mauritius [c]; La Réunion [c]; Rodrigues [c]; China [c]; Ryukyu Isl. [c]; Volcano Isl. [c] (Iwojima [c]); Taiwan [c]; Nepal [c]; Bhutan [c]; India [c]; Maldives [c]; Sri Lanka [c]; Bangladesh [c]; Andaman Isl. [c]; Nicobar Isl. [c]; Myanmar [c]; Thailand [c]; Laos [c]; Cambodia [c]; Borneo [c]; Sulawesi [c]; Philippines [c]; Java [c]; Lesser Sunda Isl. [c] (Bali [c], etc.); Moluccas [c]; Christmas Isl. [Austr.] [c]; New Guinea [c] (Irian Jaya [c], Papua New Guinea [c]); Australia [c] (Queensland [c]); New Caledonia [c]; Santa Cruz Isl. [c]; Vanuatu [c]; Rotuma Isl. [c]; Tonga [c] (Tongatapu [c], Vava´u [c]); Niue [c]; Fiji [c]; Tuvalu [c]; Banaba [Ocean] Isl. [c]; Cook Isl. [c] (Rarotonga [c], Mangaia [c], Ngaputoru Group [c]); Marquesas Isl. [c] (Fatu Hiva [c], Hiva Oa [c], Nuku Hiva [c], Ua Huka [c], Ua Pou [c], Tahuata [c]); Society Isl. (Tahiti, Mehetia, Moorea, Huahine, Raiatea); Austral Isl. [c] (Tubuai [c]); Palau [c] (Angaur [c], Pulu Anna [c]); Northern Marianas [c]; Northern Marianas [c] (Alamagan [c], Sarigan [c]); Guam [c]; Fed. States of Micronesia [c] (Yap [c], Ulithi [c], Woleai [c], Nomwin [c], Tru [c], Moen [c], Romanum [c], Namoluk [c], Kosrae [c], Pingelap [c], Pohnpei [c], Satawan [c]); Marshall Isl. [c] (Majuro [c], Jaluit [c]); USA [c] (Florida [c], Georgia [c], Louisiana [c]); Mexico [c]; Guatemala [c]; Belize [c]; El Salvador [c]; Honduras [c]; Nicaragua [c]; Costa Rica [c]; Panama [c]; Bahamas [c]; Cuba [c]; Jamaica [c]; Puerto Rico [c]; Virgin Isl. [c]; St. Barthélémy [c]; Saba [c]; St. Eustatius [c]; St. Kitts [c]; Antigua [c]; Barbuda [c]; Montserrat [c]; Guadeloupe [c]; Marie-Galante [c]; Dominica [c]; Martinique [c]; St. Lucia [c]; Grenada c]; Tobago [c]; Trinidad [c]; Colombia [c]; Venezuela [c]; Guyana [c]; Surinam [c]; French Guiana [c]; Peru [c]; Brazil [c] (Mato Grosso [c], etc.)

22 bkn gui tog 23 ann bio caf cmn gab sao 24 cha 26 ang moz 29 com mau mdg reu rod 36 chi 38 kzn nns tai 40 ban bhu ind mdv nep srl 41 and cbd lao mya ncb tha 42 bor jaw lsi mol nwg phi sul xms 50 aus 60 fij nue nwc oce rot scz ton tuv van 61 aui coo mrq SCI 62 gum mic mrn mrs plu 78 usa 79 mex 80 blz cos els gua hon nic pan 81 aba bah cub dom gdl jam mar mts pue sab sba ste stk stl trt vir 82 clm frg guy sur ven 83 per 84 bra

Synonyms: hidden

= Dioscorea alata var. globosa (Roxb.) Prain; Bengal Pl. 2: 1067 (1903)

= Dioscorea alata var. purpurea (Roxb.) A.Pouchet; Bull. Écon. Indochine 8: 117 (1950)

= Dioscorea alata var. purpurea (Roxb.) H.F.Macmill.; Circ. Agric. J. Roy. Bot. Gard. Peradeniya 3(1): 11 (1905)

= Dioscorea alata var. rubella (Roxb.) Prain; Bengal Pl. 2: 1067 (1903)

= Dioscorea alata var. tarri Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 39 (1914)

= Dioscorea alata var. vera Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 39 (1914)

= Dioscorea atropurpurea Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 800 (1832)

= Dioscorea colocasiifolia Pax; Bot. Jahrb. Syst. 15: 145 (1893) (leaves)

= Dioscorea eburnea Lour.; Fl. Cochinch. 2: 767 (1790)

= Dioscorea globosa Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 797 (1832)

= Dioscorea javanica Queva; Mém. Soc. Natl. Sci. Agric. Arts Lille, Sér. 4, 20: 372 (1894)

= Dioscorea purpurea Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 799 (1832)

= Dioscorea rubella Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 798 (1832)

= Dioscorea sapinii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 368 (1912)

= Dioscorea vulgaris Miq.; Fl. Ned. Ind. 3: 572 (1857)

= Elephantodon eburnea (Lour.) Salisb.; Gen. Pl. [Salisbury] 12 (1866)

= Polynome alata (L.) Salisb.; Gen. Pl. [Salisbury] 12 (1866)

= Rajania flexuosa Bello; Anales Soc. Esp. Hist. Nat. 12: 124 (1883)

species :

Dioscorea alatipes Burkill & H.Perrier; Fl. Madagasc., Fam. 44: 55 (1950) (sine descr. lat.), et Notul. Syst. (Paris) 14: 136 (1951)

Distribution: Madagascar

29 MDG

species :

Dioscorea althaeoides R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 180 (1924)

Distribution: China (Yunnan, Guizhou, Sichuan); E-Tibet

36 CHI TIB

Synonyms: hidden

= Dioscorea platanifolia Prain & Burkill; Bull. Misc. Inform. Kew 1925: 60 (1925)

species :

Dioscorea amaranthoides C.Presl; Reliq. Haenk. 1: 134 (1827)

Distribution: Colombia (Amazonas, Antioquia, Boyacá); Peru; N-Brazil (Amazonas); NE-Brazil (Bahia); WC-Brazil (Mato Grosso, Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais, São Paulo); Paraguay (Alto Paraná, Concepcion); Argentina (Misiones)

82 CLM 83 PER 84 BRA 85 ARG PAR

Synonyms: hidden

= Dioscorea amaranthoides var. crumenigera (Mart. ex Griseb.) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

= Dioscorea amaranthoides var. denudata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

= Dioscorea amaranthoides var. elegantula Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

= Dioscorea amaranthoides var. glauca Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

= Dioscorea amaranthoides var. metallica (K.Koch) Harms ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

= Dioscorea amaranthoides var. paniculata R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

= Dioscorea anoectochilus W.Bull; Cat. New Beautiful Rare Pl. [W.Bull] 14: 13 (1866)

= Dioscorea apaensis Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1112 (1903)

= Dioscorea argyrea Verschaff. ex É.Morren; Belgique Hort. 11: 219 (1861)

= Dioscorea crumenigera Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 36 (1842)

= Dioscorea eldorado Linden & André; Ill. Hort. 18: 52 (1871)

= Dioscorea metallica K.Koch; Wochenschr. Vereines Beförd. Gartenbaues Königl. Preuss. Staaten 14: 158 (1871)

= Dioscorea multicolor Linden & André; Ill. Hort. 18: 52 (1871)

= Dioscorea multicolor var. chrysophylla Linden & André; Ill. Hort. 18: 52 (1871)

= Dioscorea multicolor var. melanoleuca Linden & André; Ill. Hort. 18: 52 (1871)

= Dioscorea multicolor var. metallica Linden & André; Ill. Hort. 18: 53 (1871)

= Dioscorea multicolor var. sagittaria Linden & André; Ill. Hort. 18: 52 (1871)

= Dioscorea nobilis K.Koch; Wochenschr. Vereines Beförd. Gartenbaues Königl. Preuss. Staaten 11: 167 (1868)

= Dioscorea prismatica Linden & André; Ill. Hort. 18: 52 (1871)

= Dioscorea silvestris Vell.; Fl. Flumin. 10: t. 118 (1825 publ. 1829)

species :

Dioscorea amazonum Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 39 (1842)

Distribution: Panama; Colombia (Amazonas, Caquetá, Guainía, Meta, Putumayo, Vaupés); Venezuela (Amazonas, Bolívar, Delta Amacuro); Guyana; Surinam; French Guiana; Peru; Bolivia (Santa Cruz); N-Brazil (Pará, Amazonas); WC-Brazil (Mato Grosso)

80 PAN 82 CLM FRG GUY SUR VEN 83 BOL PER 84 BRA

Synonyms: hidden

= Dioscorea amazonum var. burchellii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917)

= Dioscorea amazonum var. consanguinea (Kunth) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917)

= Dioscorea amazonum var. robustior Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917)

= Dioscorea amazonum var. sagotiana Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917)

= Dioscorea amazonum var. sprucei Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917)

= Dioscorea cuspidata Klotzsch ex Kunth; Enum. Pl. [Kunth] 5: 429 (1850), not validly publ.

= Dioscorea elegantula Kunth; Enum. Pl. [Kunth] 5: 366 (1850)

= Dioscorea georgensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 83 (1930)

= Dioscorea hitchcockii R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 118 (1935)

= Dioscorea holtii R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 163 (1937)

= Dioscorea huberi R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 87 (1930)

= Dioscorea megalobotrya Kunth & R.H.Schomb.; Enum. Pl. [Kunth] 5: 365 (1850)

= Dioscorea surinamensis Miq. ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 147 (1924) (in syn.)

= Helmia consanguinea Kunth; Enum. Pl. [Kunth] 5: 428 (1850)

variant :

var. klugii (R.Knuth) Ayala; Dioscoreaceae Peru 16 (1998)

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea klugii R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 158 (1932)

species :

Dioscorea amoena R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 67 (1924)

Distribution: Venezuela (Aragua)

82 VEN

species :

Dioscorea analalavensis Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 399 (1910)

Distribution: Madagascar

29 MDG

species :

Dioscorea ancachsensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 202 (1924)

Distribution: Peru

83 PER

species :

Dioscorea andina Phil.; Anales Univ. Chile 93: 16 (1896)

Name: Papa cimarrona (Chile)

Distribution: Chile (O´Higgins, Maule, Ñuble, Biobío, Araucanía)

85 CLE

species :

Dioscorea andromedusae O.Téllez; Brittonia 48(1): 103 (1996)

Distribution: Peru

83 PER

species :

Dioscorea anomala Griseb.; Fl. Bras. [Martius] 3(1): 31 (1842)

Distribution: WC-Brazil (Goiás); SE-Brazil (Minas Gerais)

84 BRA

Synonyms: hidden

= Helmia anomala (Griseb.) Kunth; Enum. Pl. [Kunth] 5: 427 (1850)

species :

Dioscorea antaly Jum. & H.Perrier; Compt. Rend. Hebd. Séances Acad. Sci. 149: 485 (1909)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea antaly var. laevis Burkill & H.Perrier; Notul. Syst. (Paris) 14: 136 (1951)

species :

Dioscorea antucoana Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 207 (1917)

Distribution: Chile (Biobío)

85 CLE

species :

Dioscorea arachidna Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 21 (1914)

Distribution: S-China; NE-India (Assam, Meghalaya); Myanmar; Thailand; Laos; Cambodia; Vietnam

36 CHI 40 IND 41 CBD LAO MYA THA VIE

Synonyms: hidden

= Dioscorea collinsiae Prain & Burkill; Bull. Misc. Inform. Kew 1927: 234 (1927)

= Dioscorea filicaulis Prain & Burkill; Bull. Misc. Inform. Kew 1933: 242 (1933)

species :

Dioscorea araucana Phil.; Anales Univ. Chile 540 (1873)

Distribution: Chile (Biobío, Araucanía)

85 CLE

species :

Dioscorea arcuatinervis Hochr.; Annuaire Conserv. Jard. Bot. Genève 11/12: 52 (1908)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea heteropoda var. subdiffusa Burkill & H.Perrier; Notul. Syst. (Paris) 14: 136 (1951)

= Dioscorea humblotii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 70 (1924)

= Dioscorea mareka H.Perrier; (1925), nomen

species :

Dioscorea argyrogyna Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 204 (1917)

Distribution: WC-Brazil (Mato Grosso)

84 BRA

species :

Dioscorea arifolia C.Presl; Reliq. Haenk. 1: 134 (1827)

Distribution: Peru

83 PER

species :

Dioscorea aristolochiifolia Poepp.; Fragm. Syn. Pl. 11 (1833)

Distribution: Chile (Valparaíso, Metropolitana de Santiago)

85 CLE

Synonyms: hidden

= Dioscorea trichoneura Phil.; Anales Univ. Chile 93: 6 (1896)

species :

Dioscorea asclepiadea Prain & Burkill; Bull. Misc. Inform. Kew 1916: 190 (1916)

Distribution: Japan (Kyushu)

38 JAP

species :

Dioscorea aspera Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 794 (1806)

Distribution: Honduras [I]; Colombia (Guainía, Vichada); Venezuela (Bolívar); SE-Brazil (Minas Gerais); S-Brazil (Santa Catarina)

80 hon 82 CLM VEN 84 BRA

Synonyms: hidden

= Dioscorea scabra var. aspera (Humb. & Bonpl. ex Willd.) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 192 (1917)

= Helmia aspera (Humb. & Bonpl. ex Willd.) Kunth; Enum. Pl. [Kunth] 5: 429 (1850)

species :

Dioscorea aspersa Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 447 (1908)

Distribution: China (W-Guizhou, E-Yunnan)

36 CHI

Synonyms: hidden

= Dioscorea pulverea Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 31 (1914)

species :

Dioscorea asperula Pedralli; Napaea 8: 29 (1992)

Distribution: WC-Brazil; SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea asteriscus Burkill; Bull. Jard. Bot. État Bruxelles 15: 356 (1939)

Distribution: Central African Republic; D.R.Congo [Zaire]; Rwanda; Kenya; Tanzania; Zambia; Malawi; Zimbabwe; Mozambique; Namibia; Botswana

23 CAF RWA ZAI 25 KEN TAN 26 MLW MOZ ZAM ZIM 27 BOT NAM

species :

Dioscorea atrescens R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 245 (1924). 245 (1924)

Distribution: Colombia (Casanare, Guaviare, Meta, Vichada); Venezuela (Amazonas, Bolívar)

82 CLM VEN

species :

Dioscorea auriculata Poepp.; Fragm. Syn. Pl. 13 (1833)

Name: Ñame (Chile)

Distribution: Chile (Valparaíso, Maule, Ñuble, Biobío, Araucanía, Los Lagos)

85 CLE

Synonyms: hidden

= Dioscorea acutifolia Phil.; Linnaea 29: 64 (1857)

= Dioscorea helicifolia Kunth; Enum. Pl. [Kunth] 5: 348 (1850)

species :

Dioscorea axilliflora Phil.; Anales Univ. Chile 93: 11 (1896)

Distribution: Chile (Atacama)

85 CLE

species :

Dioscorea ayardei Asesor; Darwiniana, n. s. 9(2): 395 (2021)

Distribution: Argentina (Jujuy)

85 ARG

species :

Dioscorea bahiensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 351 (1924). 351 (1924)

Distribution: NE-Brazil (Bahia)

84 BRA

species :

Dioscorea bako Wilkin; Kew Bull. 63(1): 114 (2008)

Distribution: Madagascar

29 MDG

species :

Dioscorea balcanica Košanin; Oesterr. Bot. Z. 64: 37 (1914), et Bull. Inst. Jard. Bot. Univ. Belgrad 1: 199 (1929), descr. ampl.

Distribution: Montenegro; ?Kosovo; N-Albania

13 ALB MNT

species :

Dioscorea bancana Prain & Burkill; Bull. Misc. Inform. Kew 1925: 62 (1925)

Distribution: Sumatra (Bangka Isl.)

42 SUM

species :

Dioscorea banzhuana C.Pei & Ting; Acta Phytotax. Sin. 14(1): 70 (1976)

Distribution: China (SE-Yunnan)

36 CHI

species :

Dioscorea baracoensis (R.Knuth) Raz; Phytotaxa 258(1): 30 (2016)

Distribution: Cuba; Hispaniola

81 CUB HIS

Synonyms: hidden

= Rajania baracoensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 333 (1924)

= Rajania tenuiflora R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

species :

Dioscorea bartlettii C.V.Morton; Publ. Carnegie Inst. Wash., No. 461 (Bot. Maya Area) 242 (1936)

Distribution: Mexico (Campeche, Chiapas, Oaxaca, Quintana Roo, Tabasco, Veracruz, Yucatan); Guatemala; Belize; Honduras

79 MEX 80 BLZ GUA HON

species :

Dioscorea basiclavicaulis Rizzini & A.Mattos; Revista Brasil. Biol. 46(2): 317 (1986)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea baya De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 357 (1912)

Distribution: Cameroon; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Burundi; Uganda; Angola; W-Zambia

23 BUR CAF CMN CON GAB ZAI 25 UGA 26 ANG ZAM

Synonyms: hidden

= Dioscorea baya var. subcordata De Wild.; Bull. Jard. Bot. État Bruxelles 4: 328 (1914)

variant :

var. kimpundi De Wild.; Bull. Jard. Bot. État Bruxelles 4: 328 (1914)

Distribution: Liberia; Ivory Coast; Cameroon; Congo [Brazzaville]; D.R.Congo [Zaire]

22 IVO LBR 23 CMN CON ZAI

species :

Dioscorea beecheyi R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 58 (1924)

Distribution: S-Brazil (Santa Catarina)

84 BRA

species :

Dioscorea belophylla (Prain) Voigt ex Haines; Forest Fl. Chota Nagpur 530 (1910)

Distribution: Pakistan (Pakistani Punjab); Nepal; Bhutan; India (Andhra Pradesh, Arunachal Pradesh, Bihar, Himachal Pradesh, Jammu & Kashmir, Karnataka, Madhya Pradesh, Maharashtra, Meghalaya, Odisha, Punjab, Sikkim, Tamil Nadu, Uttar Pradesh, West Bengal); Bangladesh; Andaman / Nicobar Isl.; Myanmar

40 BAN BHU IND NEP PAK 41 MYA

Synonyms: hidden

= Dioscorea nummularia var. belophylla Prain; Bengal Pl. 2: 1065, 1067 (1903)

= Dioscorea glabra Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 294 (1892), non Roxb., 1832. .

= Dioscorea sagittata Royle; IlI. Bot. Himal. Mts. [Royle] 378, 379 (1839), nomen

species :

Dioscorea bemandry Jum. & H.Perrier; Compt. Rend. Hebd. Séances Acad. Sci. 149: 484 (1909)

Distribution: Madagascar

29 MDG

species :

Dioscorea bemarivensis Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 423 (1910)

Distribution: Madagascar; Comores (Mayotte, etc.); Aldabra (Aldabra Isl., Asuncio Isl., Astove Isl.)

29 ALD COM MDG

Synonyms: hidden

= Dioscorea lucida Scott Elliot; J. Linn. Soc., Bot. 29: 60 (1893) (non R. Br.)

= Dioscorea madagascariensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 311 (1924)

= Dioscorea majungensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 312 (1924)

= Dioscorea nesiotis Hemsl.; J. Bot. 55: 288 (1917)

species :

Dioscorea benthamii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 448 (1908)

Distribution: China (W-Fujian, Guangdong, Guangxi); Taiwan

36 CHI 38 TAI

Synonyms: hidden

= Dioscorea tarokoensis Hayata; Icon. Pl. Formosan. 10: 44 (1921)

species :

Dioscorea berenicea McVaugh; Fl. Novo-Galiciana 15: 362 (1989)

Distribution: Mexico (Jalisco)

79 MEX

species :

Dioscorea bermejensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 199 (1917)

Distribution: Bolivia (Chuquisaca, Tarija); Argentina (Salta)

83 BOL 85 ARG

species :

Dioscorea bernoulliana Prain & Burkill; Bull. Misc. Inform. Kew 1916: 192 (1916)

Distribution: Mexico (Quintana Roo, Chiapas); Guatemala; ?Belize; Honduras

79 MEX 80 GUA HON

species :

Dioscorea besseriana Kunth; Enum. Pl. [Kunth] 5: 345 (1850)

Distribution: Chile (Antofagasta, Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Biobío)

85 CLE

Synonyms: hidden

= Dioscorea besseriana var. berteroi Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 205 (1917)

species :

Dioscorea beyrichii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 210 (1917)

Distribution: WC-Brazil (Goiás); SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea bicolor Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 449 (1908)

Distribution: China (SW-Sichuan, N-Yunnan)

36 CHI

species :

Dioscorea biformifolia C.Pei & Ting; Acta Phytotax. Sin. 14(1): 69 (1976)

Distribution: China (Yunnan)

36 CHI

species :

Dioscorea biloba (Phil.) Caddick & Wilkin; Taxon 51: 112 (2002)

subspecies :

subsp. biloba

Distribution: Chile (Antofagasta, Coquimbo)

85 CLE

Synonyms: hidden

= Epipetrum bilobum Phil.; Anales Mus. Nac., Santiago de Chile, Sect. 2, 18: (1892) 11 t. 3

subspecies :

subsp. coquimbana Viruel, Segarra & Villar; Syst. Bot. 35(1): 58 (2010)

Distribution: Chile (Coquimbo)

85 CLE

species :

Dioscorea biplicata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 77 (1924)

Distribution: Colombia (Antioquia, Quindío); Ecuador

82 CLM 83 ECU

species :

Dioscorea birmanica Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 23: 185 (1904)

Distribution: China (NW-Yunnan); Bangladesh; Myanmar (Kachin, Mandalay, Mon, Yangon); Thailand

36 CHI 40 BAN 41 MYA THA

Synonyms: hidden

= Dioscorea horrida Buch.-Ham. ex Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 66 (1936) (in syn.)

= Dioscorea rangunensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 320 (1924)

species :

Dioscorea birschelii Harms ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 193 (1917)

Distribution: Venezuela (Venezuela Distrito Federal, Miranda)

82 VEN

Synonyms: hidden

= Dioscorea caracasensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917), nom. illeg.

species :

Dioscorea blumei Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 25 (1914)

Distribution: ?N-Sumatra; Java

42 JAW

species :

Dioscorea bolivarensis Steyerm.; Fieldiana, Bot. 28(1): 158 (1951)

Distribution: Venezuela (Bolívar)

82 VEN

species :

Dioscorea bonii Prain & Burkill; Bull. Misc. Inform. Kew 1933: 244 (1933)

Distribution: Vietnam

41 VIE

species :

Dioscorea bosseri Haigh & Wilkin; Kew Bull. 60(2): 276 (2005)

Distribution: Madagascar

29 MDG

species :

Dioscorea brachybotrya Poepp.; Fragm. Syn. Pl. 12 (1833)

Name: Poñi (Chile)

Distribution: Argentina (Neuquen); Chile (O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Rios, Los Lagos)

85 ARG CLE

Synonyms: hidden

= Dioscorea buchtienii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 207 (1917)

= Dioscorea novemloba Steud. ex F.Phil.; Cat. Pl. Vasc. Chil. 286 (1881), nomen

= Dioscorea scandens Kunze ex Kunth; Enum. Pl. [Kunth] 5: 350 (1850)

variant :

var. germainii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 206 (1917)

Distribution: Chile (O´Higgins, Maule)

85 CLE

species :

Dioscorea brachystachya Phil.; Anales Univ. Chile 93: 7 (1896)

Distribution: Chile (Biobío)

85 CLE

species :

Dioscorea bradei R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 177 (1937)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea brandisii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 27, hybr. (1914)

Distribution: India (Arunachal Pradesh, Assam); Myanmar

40 IND 41 MYA

species :

Dioscorea brevipetiolata Prain & Burkill ex Craib; Bull. Misc. Inform. Kew 1912: 407 (1912), nomen, Prain & Burkill in J. & Proc. As. Soc. Beng. 1914, n. s. 10: 38, descr.

Distribution: Thailand; Laos; Cambodia; Vietnam

41 CBD LAO THA VIE

species :

Dioscorea brownii Schinz; Mém. Herb. Boissier 20, 11 (1900)

Distribution: South Africa (KwaZulu-Natal, E-Cape Prov.)

27 SAF

species :

Dioscorea bryoniifolia Poepp.; Fragm. Syn. Pl. 13 (1833)

Name: Camisilla (Chile)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago)

85 CLE

Synonyms: hidden

= Dioscorea hederacea Miers; Trav. Chile 2: 531 (1826), nomen

species :

Dioscorea buchananii Benth.; Hooker´s Icon. Pl. 14: t. 1397-98 (1879)

subspecies :

subsp. buchananii

Distribution: ?SE-D.R.Congo [Zaire]; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique

25 TAN 26 ANG MLW MOZ ZAM ZIM

Synonyms: hidden

= Dioscorea buchananii var. ukamensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 185 (1924)

= Dioscorea mildbraediana R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 11: 1059 (1934)

= Dioscorea rhacodes Peter ex R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 162 (1937)

subspecies :

subsp. undatiloba (Baker) Wilkin; PhytoKeys 48: 59 (2015)

Distribution: South Africa (Limpopo)

27 SAF

Synonyms: hidden

= Dioscorea junodii Burtt Davy; Bull. Misc. Inform. Kew 1924: 231 (1924)

= Dioscorea undatiloba Baker; J. Bot. 27: 8 (1889)

species :

Dioscorea buckleyana Wilkin; Adansonia, Sér. 3, 31(2): 255 (2009)

Distribution: Madagascar

29 MDG

species :

Dioscorea bulbifera L.; Sp. Pl. [Linnaeus] 2: 1033 (1753)

Name: Akam, Air yam, Potato yam

Distribution: Senegal [I]; Guinea-Bissau [I]; Guinea [I]; Sierra Leone [I]; Liberia [I]; Burkina Faso [I]; Ivory Coast [I]; Ghana [I]; Togo [I]; Benin [I]; Nigeria [I]; Cameroon [I]; Principe Isl. [I]; São Tomé [I]; Equatorial Guinea [I]; Gabon [I]; Congo [Brazzaville] [I]; Central African Republic [I]; D.R.Congo [Zaire] [I]; Rwanda [I]; Chad [I]; S-Chad [I]; Sudan [I]; South Sudan [I]; Ethiopia [I]; Eritrea [I]; Uganda [I]; Kenya [I]; Tanzania [I]; Angola [I]; Zambia [I]; Malawi [I]; Zimbabwe [I]; Mozambique [I]; Namibia [I]; Madagascar [I]; Mauritius [I]; La Réunion [I]; Seychelles [I]; China (S-Anhui, Fujian, S-Gansu, Guangdong, Guangxi, Guizhou, Hainan, S-Henan, Hubei, Hunan, S-Jiangsu, Jiangxi, S-Shaanxi, Sichuan, Yunnan, Zhejiang); Tibet; North Korea; South Korea; Japan (Honshu, Shikoku, Kyushu); Ryukyu Isl.; Bonin Isl. [I] (Chichijima [I], Hahajima [I]); Volcano Isl. [I] (Kita-Iwojima [I]); Taiwan; Nepal; Bhutan; India (Karnataka, Maharashtra, Madhya Pradesh, West Bengal); Lakshadweep Isl. [Laccadives]; Sri Lanka; Bangladesh; Andaman Isl.; Barren Isl.; Nicobar Isl.; Myanmar (Chin, Kachin, Mandalay, Mon, Sagaing, Shan, Bago); Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; Singapore [I]; Sumatra; Borneo; Sulawesi; Philippines (Luzon, Masbate, Leyte, Mindanao); Java; Lesser Sunda Isl. (Bali, etc.); Moluccas; Christmas Isl. [Austr.]; New Guinea (Irian Jaya, Papua New Guinea); Solomon Isl.; Australia (N-Western Australia, Northern Territory, Queensland); New Caledonia; Santa Cruz Isl. [I]; Vanuatu; Rotuma Isl.; Tonga [I] (Late Isl. [I], Tongatapu [I], ´Eua [I], Vava´u [I], Tafahi [I], Niuatoputapu [I]); Niue [I]; [Western] Samoa [I] (´Upolu [I], Savai´i [I]); American Samoa [I] (Tutuila [I], Ta´u [I]); Cook Isl. (Rarotonga, Mangaia, Aitutaki, Atiu, Mitiaro, ?Mauke); Marquesas Isl. (Fatu Hiva, Nuku Hiva, Ua Huka, Ua Pou, Tahuata, Mohotani); Society Isl. (Tahiti [I], Raiatea [I], Tahaa [I]); Tuamotu Arch. [I] (Makatea Isl. [I], Rangiroa Atoll [I]); Austral Isl. (Tubuai); Palau (Koror, Babeldaob, Ngarakabesang, Ulebsechel, Angaur, Namonuito, Murilo, Sonsorol); Northern Marianas (Asuncion?, Tinian, Rota Isl.); Guam; Fed. States of Micronesia (Yap, Ulithi, Fais, Faraulep, Ifalik, Satawal, Nomwin, Truk, Moen, Dublon, Tol, Udot, Romanum, Nama, Namoluk, Kosrae, Lukunor, Pingelap, Piis, Pohnpei, Satawan); Marshall Isl. [I] (Majuro [I]); Hawaii [I] (Kauai [I], Oahu [I], Molokai [I], Maui [I], Hawaii Isl. [I]); USA [I] (Florida [I], Louisiana [I], Mississippi [I], Texas [I]); Mexico [I]; Guatemala [I]; Honduras [I]; Costa Rica [I]; Panama [I]; Bahamas [I]; Cuba [I]; Jamaica [I]; Hispaniola [I]; Puerto Rico [I]; St. Kitts [I]; Antigua [I]; Guadeloupe [I]; Martinique [I]; St. Vincent [I]; Trinidad [I]; Colombia [I]; Venezuela [I]; Surinam [I]; French Guiana [I]; Peru [I]; Brazil [I]

22 ben bkn gha gnb gui ivo lbr nga sen sie tog 23 caf cmn con eqg gab pri rwa sao zai 24 cha eri eth ssu sud 25 ken tan uga 26 ang mlw moz zam zim 27 nam 29 mau mdg reu sey 36 CHI TIB 38 JAP KOR kzn NKO NNS oga TAI 40 BAN BHU IND LDV NEP SRL 41 AND CBD LAO MYA NCB THA VIE 42 BOR JAW LSI MLY MOL NWG PHI sng SUL SUM XMS 43 SOL 50 AUS 60 asa nue NWC ROT sam scz ton VAN 61 AUI COO MRQ SCI tua 62 GUM MIC MRN mrs PLU 63 haw 77 usa 78 usa 79 mex 80 cos gua hon pan 81 aba bah cub gdl his jam mar pue stk stv trt 82 clm frg sur ven 83 per 84 bra

Remarks: in many areas only introduced in pre-European times, for example in Polynesia

Synonyms: hidden

= Dioscorea anthropophagorum A.Chev.; Fl. Afr. Centr., Énum. Pl. Récolt. 1: 309 (1913) (nomen), et Vég. Utiles Afrique Trop. Franç. 8: 357 (1913) (in obs.) ex Jum., Pl. Tubercul. Aliment. 172 (1910) (in obs., nomen)

= Dioscorea anthropophagorum var. sylvestris A.Chev.; Fl. Afr. Centr., Énum. Pl. Récolt. 1: 309 (1913)

= Dioscorea bulbifera f. domestica (Makino) Makino & Nemoto; Fl. Jap. [Ohwi], revised ed. 1585 (1931)

= Dioscorea bulbifera var. albotuberosa Y.F.Zhou, Z.L.Xu & Y.Y.Hang; Novon 18: 555 (2008)

= Dioscorea bulbifera var. anthropophagorum (A.Chev.) Prain & Burkill; (1914)

= Dioscorea bulbifera var. anthropophagorum (A.Chev.) Summerh.; Trans. Linn. Soc. London, Bot. 19: 293 (1931), isonym

= Dioscorea bulbifera var. brachybotryum Y.Y.Hang & Y.F.Zhou; J. Pl. Resource Environ. 27: 105 (2018), nom. inval.

= Dioscorea bulbifera var. crispata (Roxb.) Prain; Bengal Pl. 2: 1066 (1903)

= Dioscorea bulbifera var. elongata (F.M.Bailey) Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 27 (1914)

= Dioscorea bulbifera var. heterophylla (Roxb.) Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 117 (1936)

= Dioscorea bulbifera var. pulchella (Roxb.) Prain; Bengal Pl. 2: 1066 (1903)

= Dioscorea bulbifera var. sativa Prain; Bengal Pl. 2: 1066 (1903)

= Dioscorea bulbifera var. suavia Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 26 (1914)

= Dioscorea bulbifera var. vera Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 26 (1914)

= Dioscorea crispata Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 802 (1832)

= Dioscorea heterophylla Roxb.; Hort. Bengal. 72 (1814), nomen, Fl. Ind. [Roxburgh] 3: 804 (1832)

= Dioscorea hoffa Cordem.; Fl. Réunion [Cordemoy] 159 (1895)

= Dioscorea hofika Jum. & H.Perrier; Ann. Inst. Bot.-Géol. Colon. Marseille, Sér. 2, 8: 291 (1910)

= Dioscorea korrorensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 190 (1924)

= Dioscorea latifolia Benth.; Niger Fl. [W.J.Hooker] 535 (1849)

= Dioscorea longipetiolata Baudon; Ann. Mus. Colon. Marseille, Sér. 3, 1: 242 (1913)

= Dioscorea perrieri R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 354 (1924)

= Dioscorea pulchella Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 801 (1832)

= Dioscorea rogersii Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 27 (1914)

= Dioscorea sativa f. domestica Makino; Somoku Dzusetsu, ed. 3, 4: 1326 (1912)

= Dioscorea sativa f. spontanea Makino; Phan. Pter. Jap. Icon. 2: t. 81-82 (1902)

= Dioscorea sativa Thunb.; Fl. Jap. [Thunberg] 151 (1784) non L. 1753

= Dioscorea sativa var. elongata F.M.Bailey; Queensl. Fl. 5: 1615 (1902)

= Dioscorea sativa var. rotunda F.M.Bailey; Queensl. Fl. 5: 1615 (1902)

= Dioscorea tamifolia Salisb.; Parad. Lond., t. 17 (1805)

= Dioscorea tenuiflora Schltdl.; Linnaea 17: 608 (1843)

= Dioscorea versicolor Buch.-Ham. ex Wall.; Numer. List [Wallich] 178, no. 5105 (1832), nomen

= Dioscorea violacea Baudon; Ann. Mus. Colon. Marseille, Sér. 3, 1: 242 (1913), nom. illeg.

= Helmia bulbifera (L.) Kunth; Enum. Pl. [Kunth] 5: 435 (1850)

= Polynome bulbifera (L.) Salisb.; Gen. Pl. [Salisbury] 12 (1866)

species :

Dioscorea bulbotricha Hand.-Mazz.; Denkschr. Kaiserl. Akad. Wiss. Wien, Math.-Naturwiss. Kl. 79: 221 (1908)

Distribution: SE-Brazil (São Paulo); S-Brazil (Paraná)

84 BRA

species :

Dioscorea burchellii Baker; J. Bot. 27: 1 (1889)

Distribution: South Africa (W-Cape Prov., E-Cape Prov.)

27 SAF

species :

Dioscorea burkilliana J.Miège ex R.Hills & Wilkin; Fl. Afrique Centr., Dioscor. 48 (2021)

Distribution: Sierra Leone; Ivory Coast; Benin; ?Nigeria; Cameroon; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]

22 BEN IVO SIE 23 CAF CMN CON GAB ZAI

Synonyms: hidden

= Dioscorea burkilliana J.Miège; Bull. Inst. Fondam. Afrique Noire, Sér. A, Sci. Nat. 20: 48 (1958)

species :

Dioscorea cachipuertensis Ayala; Dioscoreaceae Peru 19 (1998)

Distribution: Peru

83 PER

species :

Dioscorea calcicola Prain & Burkill; Bull. Misc. Inform. Kew 1925: 64 (1925)

Distribution: peninsular Thailand; peninsular Malaysia (Langkawi Isl., Kedah, Kelantan)

41 THA 42 MLY

species :

Dioscorea caldasensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 112 (1924)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

Synonyms: hidden

= Dioscorea fimbriata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 196 (1917), nom. illeg.

species :

Dioscorea calderillensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 197 (1917)

Distribution: Bolivia (Cochabamba, Tarija)

83 BOL

species :

Dioscorea callacatensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 83 (1930)

Distribution: Peru

83 PER

species :

Dioscorea cambodiana Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 12 (1914)

Distribution: Cambodia; Vietnam

41 CBD VIE

species :

Dioscorea campanulata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 189 (1917)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

Synonyms: hidden

= Dioscorea campanulata var. lanceolata Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 189 (1917)

species :

Dioscorea campestris Griseb.; Fl. Bras. [Martius] 3(1): 30 (1842)

Distribution: Ecuador; Bolivia (Santa Cruz); N-Brazil (Amazonas); NE-Brazil (Paraíba, Bahia); WC-Brazil (Goiás, Brasilia Distrito Federal, Mato Grosso do Sul); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Alto Paraguay, Central, Cordillera, Paraguari); Uruguay (Artigas, Paysandu, Rio Negro, Soriano, Tacuarembo); Argentina (Chaco, Corrientes, Entre Rios, Formosa, Misiones, Salta, Tucuman)

83 BOL ECU 84 BRA 85 ARG PAR URU

Synonyms: hidden

= Dioscorea campestris f. longispicata Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 451 (1915)

= Dioscorea campestris f. paraguayensis R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 346 (1926)

= Dioscorea campestris f. piedadensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 186 (1917)

= Dioscorea campestris f. plantaginifolia Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 186 (1917)

= Dioscorea campestris f. stenorachis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 186 (1917)

= Dioscorea campestris var. grandiflora Griseb.; Fl. Bras. [Martius] 3(1): 30 (1842)

= Dioscorea campestris var. longispicata Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 451 (1916)

= Dioscorea campestris var. parviflora Griseb.; Fl. Bras. [Martius] 3(1): 30 (1842)

= Helmia campestris (Griseb.) Kunth; Enum. Pl. [Kunth] 5: 425 (1850)

species :

Dioscorea campos-portoi R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 176 (1937)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea carionis Prain & Burkill; Bull. Misc. Inform. Kew 1916: 193 (1916)

Distribution: Mexico (Campeche, Chiapas, Chihuahua, Colima, Durango, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Sinaloa); Guatemala

79 MEX 80 GUA

species :

Dioscorea carpomaculata O.Téllez & B.G.Schub.; Ann. Missouri Bot. Gard. 78(1): 245 (1991)

Distribution: Mexico (Oaxaca); Guatemala

79 MEX 80 GUA

variant :

var. cinerea (Uline ex R.Knuth) O.Téllez & B.G.Schub.; Ann. Missouri Bot. Gard. 78(1): 248 (1991)

Distribution: Mexico (Chiapas)

79 MEX

Synonyms: hidden

= Dioscorea cymosula var. cinerea Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 202 (1917)

species :

Dioscorea castilloniana Hauman; Bol. Mus. Hist. Nat. Tucuman 11: 31 (1927)

Distribution: Argentina (Jujuy)

85 ARG

species :

Dioscorea caucasica Lipsky; Zap. Kievsk. Obshch. Estestvoisp. 1893: 143 (1893)

Distribution: Georgia [Caucasus] (Abkhazia)

33 GEO

species :

Dioscorea caucensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 86 (1930)

Distribution: Colombia (Antioquia, Cauca, Huila, Tolima)

82 CLM

species :

Dioscorea cayenensis Lam.; Encycl. [J.Lamarck et al.] 3: 233 (1789)

subspecies :

subsp. cayenensis

Name: Afou, Afou Yam, Devil Yam, Matuta Yam, Negro Yam, Yam Atouta, Yam Jab, Yellow Guinea Yam, Yellow Yam (Trinidad & Tobago); Fame Tongo, Goa potato, Tongo yam

Distribution: Senegal; Sierra Leone; Liberia; Burkina Faso; Ivory Coast; Ghana; Benin; Niger; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Principe Isl.; São Tomé; Annobon Isl.; Central African Republic; SW-Chad; Angola; Costa Rica [I]; Cuba [I]; Jamaica; Puerto Rico [I]; Guadeloupe [I]; Dominica [I]; St. Lucia [I]; St. Vincent [I]; Grenada [I]; Tobago [I]; Trinidad [I]; Venezuela [I]; Guyana [I]; Surinam [I]; French Guiana [I]; Brazil [I]

22 BEN BKN GHA IVO LBR NGA NGR SEN SIE 23 ANN BIO CAF CMN PRI SAO 24 CHA 26 ANG 80 cos 81 cub dom gdl gre JAM pue stl stv trt 82 frg guy sur ven 84 bra

Synonyms: hidden

= Dioscorea aculeata Balb. ex Kunth; Enum. Pl. [Kunth] 5: 381 (1850), nom. illeg.

= Dioscorea altissima Lam.; Encycl. [J.Lamarck et al.] 3: 231 (1789)

= Dioscorea berteroana Kunth; Enum. Pl. [Kunth] 5: 381 (1850)

= Dioscorea camerunensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 298 (1924)

= Dioscorea moma De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 367 (1912)

= Dioscorea occidentalis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 299 (1924)

= Dioscorea pruinosa A.Chev.; Fl. Afr. Centr., Énum. Pl. Récolt. 311 (1913) (nomen, De Wild. in Bull. Jard. Bot. État Bruxelles 4: 336., nomen)

subspecies :

subsp. rotundata (Poir.) J.Miège; Fl. W. Trop. Afr. [Hutchinson & Dalziel] 3(1): 153 (1968)

Name: Fame blanco, Fame de Guinea blanco, Guinea yam, White Guinea yam

Distribution: Senegal; Gambia; Guinea-Bissau; Guinea; Sierra Leone; Liberia; Mali; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Niger; Nigeria; Jamaica [I]; Puerto Rico [I]; Colombia [I]

22 BEN BKN GAM GHA GNB GUI IVO LBR MLI NGA NGR SEN SIE TOG 81 jam pue 82 clm

Synonyms: hidden

= Dioscorea rotundata Poir.; Encycl. [J.Lamarck et al.], Suppl. 3: 139 (1813)

species :

Dioscorea cephalocarpa (Uline ex R.Knuth) Raz; Phytotaxa 258(1): 30 (2016)

Distribution: Cuba

81 CUB

Conservation Status: threatened (Red List of the Vascular Flora of Cuba)

Synonyms: hidden

= Dioscorea rigida R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 79 (1925)

= Rajania cephalocarpa Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 221 (1917)

= Rajania hermannii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

species :

Dioscorea ceratandra Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 207 (1917), descr.

Distribution: Peru; NE-Brazil (Ceara); SE-Brazil (Minas Gerais, São Paulo); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Concepcion); Argentina (Corrientes, Jujuy, Misiones)

83 PER 84 BRA 85 ARG PAR

Synonyms: hidden

= Dioscorea congestiflora R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 208 (1917)

= Dioscorea quirogae R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 218 (1924)

species :

Dioscorea chagllaensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 88 (1930)

Distribution: Peru

83 PER

species :

Dioscorea chancayensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 81 (1930)

Distribution: Peru

83 PER

species :

Dioscorea chaponensis R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 117 (1935)

Distribution: Costa Rica; Panama; Colombia (Antioquia, Boyacá, Cundinamarca)

80 COS PAN 82 CLM

variant :

var. chazutensis Ayala; Dioscoreaceae Peru 22 (1998)

Distribution: Peru

83 PER

species :

Dioscorea chiapasensis Matuda; Bol. Soc. Bot. México 15: 25 (1953)

Distribution: Mexico (Chiapas); Guatemala

79 MEX 80 GUA

species :

Dioscorea chimborazensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 86 (1930)

Distribution: Ecuador

83 ECU

species :

Dioscorea chingii Prain & Burkill; Bull. Misc. Inform. Kew 1931: 425 (1931)

Distribution: China (Guangxi, Yunnan); Vietnam

36 CHI 41 VIE

species :

Dioscorea chondrocarpa Griseb.; Fl. Bras. [Martius] 3(1): 34 (1842)

Name: Name muerto (Dominican Republic), Igname chat (Haiti), Igname grand bois, Igname marron (Lesser Antilles), Dunguey (Puerto Rico)

Distribution: Panama; Cuba; Hispaniola (Dominican Republic, Haiti); Puerto Rico; St. Martin/St. Maarten; St. Barthélémy; Guadeloupe; Martinique; St. Vincent; Colombia (Amazonas, Antioquia, Bolívar, Cesar, Norte de Santander); Venezuela (Amazonas, Bolívar, Delta Amacuro); Guyana; Surinam; Ecuador; Peru; Bolivia (Cochabamba, La Paz, Santa Cruz); N-Brazil (Pará, Amazonas); NE-Brazil (Bahia); WC-Brazil (Mato Grosso, Goiás, Mato Grosso do Sul); SE-Brazil (Minas Gerais, Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina); Paraguay (Concepcion)

80 PAN 81 CUB GDL HIS MAR PUE SBA STM STV 82 CLM GUY SUR VEN 83 BOL ECU PER 84 BRA 85 PAR

Synonyms: hidden

= Dioscorea balsapuertensis R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 117 (1935)

= Dioscorea calcarea R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 84 (1924)

= Dioscorea hoehneana R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 538 (1921)

= Dioscorea maranonensis R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 344 (1926)

= Dioscorea nitida R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

= Dioscorea poeppigii Kunth; Enum. Pl. [Kunth] 5: 365 (1850)

= Dioscorea rajanioides Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 186 (1917)

= Dioscorea revillae Ayala; Ann. Missouri Bot. Gard. 68(1): 125 (1981)

= Dioscorea samydea var. poeppigii (Kunth) Ayala; Dioscoreaceae Peru 47 (1998)

species :

Dioscorea choriandra Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 198 (1917)

Distribution: Colombia (Boyacá); Ecuador

82 CLM 83 ECU

species :

Dioscorea chouardii Gaussen; Bull. Soc. Bot. France 99: 24 (1952)

Distribution: Spain (NE-Spain: Prepyrenees)

12 SPA

Remarks: extremely rare and highly endangered, known only from one area

Synonyms: hidden

= Borderea chouardii (Gaussen) Gaussen & Heslot; Bull. Soc. Hist. Nat. Toulouse 100: 390, 393 (1965)

species :

Dioscorea chusqueifolia C.Romero, O.Téllez & Bussmann; Brittonia 71(4): 354 (2019)

Distribution: Peru

83 PER

species :

Dioscorea cienegensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 200 (1917)

Distribution: Argentina (Chaco, Jujuy, Salta, Tucuman)

85 ARG

Synonyms: hidden

= Dioscorea monadelpha var. opaca Hicken; Darwiniana 1: 115 (1924)

species :

Dioscorea cinnamomifolia Hook.; Bot. Mag. 55: t. 2825 (1828)

Distribution: NE-Brazil (Bahia); WC-Brazil (Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais, Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Santa Catarina); Argentina (Misiones)

84 BRA 85 ARG

Synonyms: hidden

= Dioscorea cinnamomifolia var. zanoniae (Klotzsch ex Griseb.) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 64 (1924)

= Dioscorea teretiuscula Griseb.; Fl. Bras. [Martius] 3(1): 48 (1842)

= Dioscorea tuberosa Vell.; Fl. Flumin. 10: t. 125 (1825 publ. 1829)

= Dioscorea zanoniae Klotzsch ex Griseb.; Fl. Bras. [Martius] 3(1): 38 (1842)

= Rajania brasiliensis Griseb.; Fl. Bras. [Martius] 3(1): 48 (1842)

species :

Dioscorea cirrhosa Lour.; Fl. Cochinch. 2: 625 (1790)

Distribution: China (Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hunan, S-Jiangxi, Sichuan, SE-Yunnan, Zhejiang); Tibet; Ryukyu Isl.; Taiwan; Thailand; Laos; Vietnam

36 CHI TIB 38 NNS TAI 41 LAO THA VIE

Synonyms: hidden

= Dioscorea angusta R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 288 (1924)

= Dioscorea bonnetii A.Chev.; Bull. Écon. Indochine, n. s. 20: 328 (1918)

= Dioscorea camphorifolia Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 288 (1924)

= Dioscorea cirrhosa var. cylindrica C.T.Ting & M.C.Chang; Acta Phytotax. Sin. 20(2): 206 (1982)

= Dioscorea formosana R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 268 (1924)

= Dioscorea intempestiva Prain & Burkill; Bull. Misc. Inform. Kew 1933: 243 (1933)

= Dioscorea matsudae Hayata; Icon. Pl. Formosan. 10: 39 (1921)

= Dioscorea rhipogonoides Oliv.; Hooker´s Icon. Pl. 19: t. 1868 (1889)

= Strophis cirrhosa (Lour.) Salisb.; Gen. Pl. [Salisbury] 12 (1866)

species :

Dioscorea cissophylla Phil.; Anales Univ. Chile 93: 18 (1896)

Distribution: Chile (Los Rios, Los Lagos)

85 CLE

species :

Dioscorea claessensii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 358 (1912)

Distribution: +Cameroon; +D.R.Congo [Zaire]

23 CMN ZAI

Conservation Status: known only from two old collections

species :

Dioscorea claussenii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

Distribution: WC-Brazil (Goiás); SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea claytonii Ayala; Ann. Missouri Bot. Gard. 68(1): 130 (1981)

Distribution: Peru

83 PER

species :

Dioscorea cochleariapiculata De Wild.; Bull. Jard. Bot. État Bruxelles 4: 350 (1914)

Distribution: SE-D.R.Congo [Zaire]; Burundi; N-Ethiopia; Tanzania; Zambia; Malawi; Zimbabwe; Mozambique; Namibia

23 BUR ZAI 24 ETH 25 TAN 26 MLW MOZ ZAM ZIM 27 NAM

Synonyms: hidden

= Dioscorea stolzii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 136 (1924)

species :

Dioscorea collettii Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 290 (1892)

Distribution: China (S-Anhui, Fujian, N-Guangdong, NE-Guangxi, Guizhou, S-Henan, Hubei, Hunan, Jiangxi, W-Sichuan, Zhejiang); N-Taiwan; Myanmar (Shan); N-Thailand; Laos; Vietnam

36 CHI 38 TAI 41 LAO MYA THA VIE

Synonyms: hidden

= Dioscorea gracillima var. collettii (Hook.f.) Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 253 (1924)

= Dioscorea hui R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 80 (1925)

= Dioscorea nigrescens R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 253 (1924)

= Dioscorea oenea Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 16 (1914)

= Dioscorea seniavinii Prain & Burkill; Bull. Misc. Inform. Kew 1925: 59 (1925)

= Dioscorea tashiroi Hayata; Icon. Pl. Formosan. 10: 44 (1921)

variant :

var. hypoglauca (Palib.) C.T.Ting et al.; Fl. Reipubl. Popularis Sin. 16(1): 72 (1985)

Distribution: China (S-Anhui, Fujian, N-Guangdong, NE-Guangxi, S-Henan, Hubei, Hunan, Jiangxi, Zhejiang); Taiwan

36 CHI 38 TAI

Synonyms: hidden

= Dioscorea hypoglauca Palib.; Bull. Herb. Boissier, Sér. 2, 6: 2 (1906)

= Dioscorea kaoi Liu & T.C.Huang; Taiwania 7: 33 (1960)

= Dioscorea morsei Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 454 (1908)

= Dioscorea undulata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 315 (1924)

variant :

var. izuensis (Akahori) Hiroshi Noda & M.N.Tamura; Bot. J. Linn. Soc. 198(2): 213 (2021)

Distribution: Ryukyu Isl.

38 NNS

Synonyms: hidden

= Dioscorea izuensis Akahori; Acta Phytotax. Geobot. 19: 161 (1963)

species :

Dioscorea communis (L.) Caddick & Wilkin; Taxon 51: 112 (2002)

Name: Schmerwurz (DE); Black Bryony (EN)

Distribution: England (England, Wales, Isle of Man, Scotland [I]); Ireland [I] (Ireland [I], Northern Ireland [I]); Belgium; Luxembourg; Germany (Baden-Württemberg, Bayern, Rheinland-Pfalz, Saarland); Switzerland; Liechtenstein; Austria; Hungary; Portugal; Spain; Andorra; Gibraltar; Baleares; France; Channel Isl.; Corsica; Sardinia; Italy; Sicily; Pantelleria; San Marino; Morocco; Algeria; Tunisia; Libya; Azores [I]; New Zealand [I]

10 GRB ire 11 AUT BGM GER HUN LIE LUX SWI 12 ADO BAL CIS COR FRA GIB POR SAR SPA 13 ITA PTL SIC SMA 20 ALG LBY MOR TUN 21 azo 51 nzl

Synonyms: hidden

= Tamus baccifera St.-Lag.; Étude Fl. [A.Cariot], éd. 8, 2: 765 (1889)

= Tamus cirrhosa Hausskn. ex Bornm.; Beih. Bot. Centralbl. 58 E: 271 (1938)

= Tamus communis f. subtriloba (Guss.) O.Bolòs & Vigo; Fl. Man. Països Catalans 4: 171 (2001)

= Tamus communis L.; Sp. Pl. [Linnaeus] 2: 1028 (1753)

= Tamus communis var. smilacifolia (Jullien ex Boreau) Rouy; Fl. France [Rouy & Foucaud] 13: 18 (1912)

= Tamus communis var. subtriloba Guss.; Fl. Sicul. Syn. 2: 880 (1844)

= Tamus cordifolia Stokes; Bot. Mat. Med. 4: 544 (1812)

= Tamus parviflora Kunth; Enum. Pl. [Kunth] 5: 454 (1850)

= Tamus racemosa Gouan; Fl. Monsp. [Gouan] 426 (1765)

species :

Dioscorea commutata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 74 (1924)

Distribution: S-Brazil (Santa Catarina)

84 BRA

species :

Dioscorea comorensis R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 347 (1926)

Distribution: Comores

29 COM

species :

Dioscorea compacta D.Araújo; Kew Bull. 71(2)-27: 2 (2016)

Distribution: Brazil (Tocantins)

84 BRA

species :

Dioscorea composita Hemsl.; Biol. Centr.-Amer., Bot. 3: 354 (1884)

Distribution: Mexico (Campeche, Chiapas, Colima, Guerrero, Jalisco, Mexico State, Michoacán, Oaxaca, Puebla, Tabasco, Veracruz); Guatemala; Belize; El Salvador; Honduras; Costa Rica

79 MEX 80 BLZ COS ELS GUA HON

Synonyms: hidden

= Dioscorea tepinapensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 204 (1917)

= Dioscorea tepinapensis var. aggregata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 205 (1917)

species :

Dioscorea contracta R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 190 (1917)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea convolvulacea Cham. & Schltdl.; Linnaea 6: 49 (1831)

Distribution: Mexico (Campeche, Chiapas, Colima, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Nuevo León, Oaxaca, Puebla, Queretaro, Quintana Roo, San Luis Potosi, Sinaloa, Sonora, Tabasco, Tamaulipas, Veracruz, Yucatan, Zacatecas); Guatemala; Belize; El Salvador; Honduras; Costa Rica; Panama; Trinidad

79 MEX 80 BLZ COS ELS GUA HON PAN 81 TRT

Synonyms: hidden

= Dioscorea brachycarpa Schltdl.; Linnaea 17: 109 (1843)

= Dioscorea capillaris Hemsl.; Biol. Centr.-Amer., Bot. 3: 354 (1884)

= Dioscorea capillaris var. glabra Hemsl.; Biol. Centr.-Amer., Bot. 3: 323 (1884)

= Dioscorea chamela McVaugh; Fl. Novo-Galiciana 15: 364 (1989)

= Dioscorea convolvulacea subsp. esurientium (Uline) Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 99 (1924)

= Dioscorea convolvulacea subsp. grandifolia (Schltdl.) Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 99 (1924)

= Dioscorea convolvulacea var. glabra (Hemsl.) Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 99 (1924)

= Dioscorea esurientium Uline; Bot. Jahrb. Syst. 22: 429 (1896)

= Dioscorea grandifolia Schltdl.; Linnaea 17: 602 (1843)

= Dioscorea hirsuta M.Martens & Galeotti; Bull. Acad. Roy. Sci. Bruxelles 9(2): 391 (1842), nom. illeg.

= Dioscorea hirsuta var. glabra Uline; Bot. Jahrb. Syst. 22: 428 (1896)

= Dioscorea joseensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 159 (1924)

= Dioscorea macrostachya M.Martens & Galeotti; Bull. Acad. Roy. Sci. Bruxelles 9(2): 892 (1842)

= Dioscorea triangularis Sessé & Moc.; Fl. Mexic., ed. 2: 232 (1894), nom. illeg.

= Helmia brachycarpa (Schltdl.) Kunth; Enum. Pl. [Kunth] 5: 416 (1850)

= Helmia convolvulacea (Cham. & Schltdl.) Kunth; Enum. Pl. [Kunth] 5: 415 (1850)

species :

Dioscorea conzattii R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 221 (1936)

Distribution: Mexico (Mexico State, Michoacán, Oaxaca)

79 MEX

species :

Dioscorea cordata (L.) Raz; Phytotaxa 258(1): 31 (2016)

Name: Bejuco de guaraguao, Guayaro, Name gulembo, Name de la India, Himber

Distribution: Cuba; Jamaica; Hispaniola; Puerto Rico; Virgin Isl. (St. Croix, St. Thomas); St. Kitts; Antigua; Montserrat; Dominica; Martinique; St. Vincent

81 ABA CUB DOM HIS JAM MAR MTS PUE STK STV VIR

Synonyms: hidden

= Dioscorea cyclophylla Urb.; Symb. Antill. [Urban] 6: 4 (1909)

= Rajania cordata L.; Sp. Pl. [Linnaeus] 2: 1032 (1753)

= Rajania cordata var. ehrenbergii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917), pro syn.

= Rajania cordata var. eucordata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 334 (1924), not validly publ.

= Rajania cordata var. microcarpa Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

= Rajania cordata var. retusa R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

= Rajania cordata var. scorpioidea R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

= Rajania cyclophylla (Urb.) R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 218 (1917)

= Rajania ovata var. ehrenbergii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

= Rajania pleioneura Griseb.; Fl. Brit. W. I. [Grisebach] 588 (1864)

= Rajania scorpioidea Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 335 (1924) (in syn.)

= Rajania sintenisii Uline; Symb. Antill. [Urban] 3: 281 (1902)

= Rajania venosa R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

variant :

var. cymulifera (Uline ex R.Knuth); Phytotaxa 258(1): 34 (2016)

Distribution: Puerto Rico

81 PUE

Synonyms: hidden

= Rajania cordata var. cymulifera Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

species :

Dioscorea cordifolia Laness.; Pl. Util. Col. Franç. 413, 525 (1886)

Distribution: French Guiana

82 FRG

species :

Dioscorea coreana (Prain & Burkill) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 175 (1924)

Distribution: South Korea

38 KOR

Synonyms: hidden

= Dioscorea villosa var. coreana Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 15 (1914)

species :

Dioscorea coriacea Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 794 (1806)

Distribution: Colombia (Antioquia, Boyacá, Cauca, Cesar, Chocó, Cundinamarca, Huila, Magdalena, Nariño, Putumayo, Quindío, Risaralda, Tolima, Valle); Venezuela (Aragua, Barinas, Merida, Portuguesa, Tachira); Ecuador; Peru

82 CLM VEN 83 ECU PER

Synonyms: hidden

= Dioscorea frutescens Rusby; Descr. S. Amer. Pl. 5 (1920)

= Dioscorea pennellii var. pilosula R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 346 (1926)

= Helmia coriacea (Humb. & Bonpl. ex Willd.) Kunth; Enum. Pl. [Kunth] 5: 422 (1850)

species :

Dioscorea coronata Hauman; Anales Mus. Nac. Buenos Aires 27: 480 (1916)

Distribution: Bolivia (Chuquisaca, Cochabamba, La Paz, Santa Cruz); SE-Brazil (São Paulo, Rio de Janeiro); S-Brazil (Paraná); Paraguay (Alto Paraguay, Pres. Hayes); Uruguay (Cerro Largo, Tacuarembo, Treinta y Tres); Argentina (Chaco, Corrientes, Misiones)

83 BOL 84 BRA 85 ARG PAR URU

Synonyms: hidden

= Dioscorea acutata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 125 (1924)

= Dioscorea praetervisa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 122 (1924)

species :

Dioscorea cotinifolia Kunth; Enum. Pl. [Kunth] 5: 386 (1850)

Distribution: S-Mozambique; Botswana; South Africa (Limpopo, Mpulamanga, KwaZulu-Natal, E-Cape Prov.); Eswatini [Swaziland]

26 MOZ 27 BOT SAF SWZ

Synonyms: hidden

= Dioscorea malifolia Baker; J. Bot. 27: 1 (1889)

species :

Dioscorea craibiana Prain & Burkill; Bull. Misc. Inform. Kew 1931: 425 (1931)

Distribution: Thailand

41 THA

species :

Dioscorea crateriflora R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 344 (1926)

Distribution: Venezuela (Venezuela Distrito Federal)

82 VEN

species :

Dioscorea cretica (L.) M.Campos, Wilkin & Viruel; Ann. Bot. (Oxford) 131(4): 645 (2023)

Distribution: Slovenia; Croatia; Bosnia & Hercegovina; Montenegro; Serbia; Kosovo; North Macedonia; Romania; Bulgaria; European Turkey; Greece (widespread incl. most islands); Crete; European Russia; Crimea; Northern Caucasus; Georgia [Caucasus]; Armenia; Azerbaijan; East Aegaean Isl. (widespread, incl. Rhodos, Kastellorhizo Isl.); Turkey (SE-Anatolia, NW-Anatolia, N-Anatolia, NE-Anatolia, W-Anatolia, SW-Anatolia, SSW-Anatolia, S-Anatolia); Iraq (NE-Iraq, NW-Iraq); Iran (EC-Iran, N-Iran, Iranian Aserbaijan, W-Iran); Cyprus (C-Mountains, E-Cyprus, N-Cyprus, S-Cyprus, W-Cyprus); Lebanon (C-Lebanon, coastal W-Lebanon); Syria (C-Syrian Desert, W-Syrian Mountains); Israel (Rift Valley, N-Israel); Jordania (S-Jordania, W-Jordania)

13 BIH BUL CRO GRC KOS KRI MNT NMA ROM SLV SRB TUE 14 KRY RUS 33 ARM AZE GEO NCS 34 CYP EAI IRN IRQ ISR JOR LEB SYR TUR

Synonyms: hidden

= Tamus communis subsp. cretica (L.) Kit Tan; Notes Roy. Bot. Gard. Edinburgh 41(1): 47 (1983), isonym

= Tamus communis subsp. cretica (L.) Nyman; Consp. Fl. Eur. 718 (1882)

= Tamus communis var. triloba Simonk.; Enum. Fl. Transsilv. 520 (1887)

= Tamus communis var. cretica (L.) Boiss.; Fl. Orient. [Boissier] 5: 344 (1882)

= Tamus cretica L.; Sp. Pl. [Linnaeus] 2: 1028 (1753)

species :

Dioscorea crotalariifolia Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 85 (1897)

Distribution: Colombia (Amazonas, Guainía); Venezuela (Amazonas); Guyana; Peru; Bolivia (Pando); N-Brazil (Amazonas)

82 CLM GUY VEN 83 BOL PER 84 BRA

Synonyms: hidden

= Dioscorea quinquefoliolata R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 222 (1936)

species :

Dioscorea cruzensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 194 (1917)

Distribution: Mexico (Veracruz)

79 MEX

species :

Dioscorea cubensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 209 (1917)

Distribution: Cuba

81 CUB

species :

Dioscorea cumingii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 449 (1908)

Distribution: China (Yunnan); Taiwan (Lan Yu Isl.); India (Assam); Philippines (Batanes, Luzon, Samar, Mindoro, Mindanao); Moluccas

36 CHI 38 TAI 40 IND 42 MOL PHI

Synonyms: hidden

= Dioscorea echinata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 148 (1924)

= Dioscorea elmeri Prain & Burkill; Leafl. Philipp. Bot. 5: 1594 (1913)

= Dioscorea heptaphylla Sasaki; Trans. Nat. Hist. Soc. Formosa 21: 147 (1931)

= Dioscorea polyphylla R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 148 (1924)

variant :

var. inaequifolia (Elmer ex Prain & Burkill) Burkill; Fl. Males., Ser. 1, Spermatoph. 4: 317 (1951)

Distribution: India (Assam)

40 IND

Synonyms: hidden

= Dioscorea inaequifolia Elmer ex Prain & Burkill; Leafl. Philipp. Bot. 5: 1595 (1913)

species :

Dioscorea curitybensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 113 (1924)

Distribution: S-Brazil (Paraná)

84 BRA

species :

Dioscorea cuspidata Balb. ex Kunth; Enum. Pl. [Kunth] 5: 434 (1850)

Distribution: Colombia (Guainía, Vaupés); Venezuela (Amazonas)

82 CLM VEN

Synonyms: hidden

= Dioscorea pimichinensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 57 (1924) (sphalm. pichinchensis), Sandwith in Bull. Misc. Inform. Kew 276 (1940)

= Helmia cuspidata (Humb. & Bonpl. ex Willd.) Kunth; Enum. Pl. [Kunth] 5: 428 (1850)

species :

Dioscorea cuyabensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

Distribution: WC-Brazil (Mato Grosso)

84 BRA

species :

Dioscorea cyanisticta Donn.Sm.; Bot. Gaz. 20: 10 (1895)

Distribution: Mexico (Campeche, Chiapas, Quintana Roo, Veracruz, Yucatan); Guatemala; Nicaragua; Costa Rica

79 MEX 80 COS GUA NIC

species :

Dioscorea cylindrica Burm.f.; Fl. Ind. [N.L.Burman] Prodr. Fl. Cap. 315 (1768)

Distribution: Myanmar (Kachin, Mandalay, Mon, Yangon)

41 MYA

species :

Dioscorea cymosula Hemsl.; Biol. Centr.-Amer., Bot. 3: 355 (1884)

Distribution: Costa Rica; Panama; Bolivia (Beni)

80 COS PAN 83 BOL

Synonyms: hidden

= Dioscorea cymosula var. duchassaingii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 203 (1917)

= Dioscorea cymosula var. longiracemosa Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 203 (1917)

= Dioscorea permollis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 61 (1924)

species :

Dioscorea cyphocarpa C.B.Rob. ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 209 (1917)

Distribution: Mexico (Guerrero, Oaxaca)

79 MEX

species :

Dioscorea daunea Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 450 (1908)

Distribution: India (Arunachal Pradesh, Assam); Myanmar; Thailand; Cambodia; Vietnam

40 IND 41 CBD MYA THA VIE

species :

Dioscorea davidsei O.Téllez; Novon 7(2): 208 (1997)

Distribution: Costa Rica; Panama

80 COS PAN

species :

Dioscorea debilis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 210 (1917)

Distribution: NE-Brazil (Bahia); SE-Brazil (Minas Gerais)

84 BRA

Synonyms: hidden

= Dioscorea debilis var. sagittifolia Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 210 (1917)

species :

Dioscorea decaryana H.Perrier; Notul. Syst. (Paris) 12: 205 (1946)

Distribution: Madagascar

29 MDG

species :

Dioscorea decipiens Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 293 (1892)

Distribution: China (Yunnan); NE-India (Assam, Nagaland); Bangladesh; Myanmar (Kachin, Shan); Thailand; Laos

36 CHI 40 BAN IND 41 LAO MYA THA

Synonyms: hidden

= Dioscorea decipiens var. glabrescens C.T.Ting & M.C.Chang; Acta Phytotax. Sin. 20: 206 (1982)

= Dioscorea rotundifolia Wall. ex Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 31 (1914) (in syn.)

species :

Dioscorea decorticans C.Presl; Reliq. Haenk. 1: 135 (1830)

Distribution: Venezuela (Bolívar); Peru; Bolivia (Beni, Santa Cruz)

82 VEN 83 BOL PER

Synonyms: hidden

= Dioscorea amaranthoides var. decorticans (C.Presl) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

= Dioscorea rubricaulis Kunth; Enum. Pl. [Kunth] 5: 368 (1850)

species :

Dioscorea deflexa Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 157 (1875)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea delavayi Franch.; Rev. Hort. (Paris) 68: 541 (1896)

Distribution: China (N-Guizhou, W-Sichuan, Yunnan)

36 CHI

Synonyms: hidden

= Dioscorea burkillii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 143 (1924)

= Dioscorea engleriana R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 140 (1924)

= Dioscorea henryi (Prain & Burkill) C.T.Ting; Acta Phytotax. Sin. 20: 208 (1982), nom. illeg.

= Dioscorea kamoonensis var. delavayi (Franch.) Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14(1): 148 (1936)

= Dioscorea kamoonensis var. engleriana Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 21 (1914)

= Dioscorea kamoonensis var. henryi Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 22 (1914)

= Dioscorea rotundifoliolata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 142 (1924)

species :

Dioscorea delicata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 61 (1924)

Distribution: Brazil (São Paulo)

84 BRA

species :

Dioscorea deltoidea Wall.; [Numer. List [Wallich] 179, no. 5110 (1832), nomen] ex Griseb. in Mart., Fl. Brasil. 3(1): 43 (1842)

Distribution: Afghanistan (Kunar / Nuristan); China (Sichuan, Yunnan); Tibet; Pakistan (Chitral, Swat, Kurram); Nepal; Bhutan; N-India (Arunachal Pradesh, Himachal Pradesh, Jammu & Kashmir, Uttar Pradesh); Bangladesh; Myanmar (Kachin); Thailand; Vietnam

34 AFG 36 CHI TIB 40 BAN BHU IND NEP PAK 41 MYA THA VIE

Synonyms: hidden

= Dioscorea deltoidea var. orbiculata Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 25 (1936)

= Dioscorea nepalensis (Jacquem. ex Prain & Burkill) Sweet ex Bernardi; Candollea 18: 258 (1963)

= Tamnus nepalensis Jacquem. ex Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 26 (1936) (pro syn.)

= Tamus nepalensis Jacquemont ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 174 (1924) (in syn.)

species :

Dioscorea demourae Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 199 (1917)

Distribution: NE-Brazil (Bahia); WC-Brazil (Brasilia Distrito Federal); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Argentina (Chaco, Corrientes, Misiones)

84 BRA 85 ARG

species :

Dioscorea dendrotricha Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 84 (1897)

Distribution: N-Brazil

84 BRA

species :

Dioscorea densiflora Hemsl.; Biol. Centr.-Amer., Bot. 3: 356 (1884)

Distribution: Mexico (Campeche, Chiapas, Guerrero, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz, Yucatan); Guatemala; Belize; El Salvador; Honduras

79 MEX 80 BLZ ELS GUA HON

species :

Dioscorea depauperata Prain & Burkill; Bull. Misc. Inform. Kew 1933: 245 (1933)

Distribution: Thailand; Laos; Vietnam

41 LAO THA VIE

species :

Dioscorea diamantinensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 231 (1924)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

Synonyms: hidden

= Dioscorea heptaneura f. tenuicaulis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 209 (1917)

species :

Dioscorea dicranandra Donn.Sm.; Bot. Gaz. 19: 13 (1894)

Distribution: Guatemala

80 GUA

Synonyms: hidden

= Dioscorea albicaulis Uline; Bot. Jahrb. Syst. 22: 425 (1896), nom. illeg.

species :

Dioscorea dielsii R.Knuth; Biblioth. Bot. 29: Heft 116, 69 (1937)

Distribution: Ecuador

83 ECU

species :

Dioscorea dissimulans Prain & Burkill; Bull. Misc. Inform. Kew 1933: 241 (1933)

Distribution: Vietnam

41 VIE

species :

Dioscorea divaricata Blanco; Fl. Filip. [Blanco] 797 (1837)

Distribution: Philippines (Luzon, Panay, Cebu)

42 PHI

Synonyms: hidden

= Dioscorea foxworthyi Prain &, Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 34 (1914)

= Dioscorea oxyphylla R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 269 (1924)

= Dioscorea soror Prain & Burkill; Leafl. Philipp. Bot. 5: 1598 (1913)

= Dioscorea soror var. glauca Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 34 (1914)

= Dioscorea soror var. vera Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 34 (1914)

species :

Dioscorea diversifolia Griseb.; Fl. Bras. [Martius] 3(1): 41 (1842)

Distribution: S-Brazil

84 BRA

species :

Dioscorea dodecaneura Vell.; Fl. Flumin. 10: I. 123 (1825 publ. 1829)

Distribution: Colombia; Venezuela (Bolívar); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Santa Cruz, Tarija); N-Brazil (Pará, Amazonas, Acre); NE-Brazil (Piauí, Pernambuco, Bahia, Alagoas); WC-Brazil (Mato Grosso, Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais, Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul); Paraguay (Amambay, Caaguazu, Paraguari, San Pedro); Argentina (Chaco, Corrientes, Jujuy, Misiones, Salta)

82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA 85 ARG PAR

Synonyms: hidden

= Dioscorea bangii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 324 (1924)

= Dioscorea discolor Kunth; Enum. Pl. [Kunth] 5: 334 (1850)

= Dioscorea dodecandra Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 511 (1841)

= Dioscorea dodecaneura var. maronensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 218 (1917)

= Dioscorea dodecaneura var. villosa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 250 (1924)

= Dioscorea hebantha Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 39 (1842)

= Dioscorea huallagensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 95 (1931)

= Dioscorea illustrata W.Bull; Gard. Chron. 1873: 606 (1873)

= Dioscorea kita Queva; Mém. Soc. Natl. Sci. Agric. Arts Lille, Sér. 4, 20: 326 (1894)

= Dioscorea racemosa Rusby; Bull. New York Bot. Gard. 4: 459 (1907) (non (Klotzsch) Uline)

= Dioscorea speciosa Van Geert; Nursery Cat. (Auguste Van Geert) 83: 12 (1882)

= Dioscorea vittata W.Bull ex Baker; Bot. Mag. 105: t. 6409 (1879)

species :

Dioscorea dregeana (Kunth) Durieu & Schinz; Consp. Fl. Afr. [Durand & Schinz] 5: 274 (1893 publ. 1895)

Distribution: S-Mozambique; South Africa (Limpopo, Mpulamanga, KwaZulu-Natal, E-Cape Prov.); Eswatini [Swaziland]

26 MOZ 27 SAF SWZ

Synonyms: hidden

= Helmia dregeana Kunth; Enum. Pl. [Kunth] 5: 437 (1850)

species :

Dioscorea dugesii Robins.; Proc. Amer. Acad. Arts 29: 330 (1894)

Distribution: Mexico (Chiapas, Colima, Guanajuato, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Oaxaca, Queretaro, San Luis Potosi); Honduras

79 MEX 80 HON

Synonyms: hidden

= Dioscorea violacea Uline; Bot. Jahrb. Syst. 22: 423 (1896)

species :

Dioscorea dumetorum (Kunth) Pax; Nat. Pflanzenfam. [Engler & Prantl], 2. Aufl., 5: 133 (1887)

Name: Bitter yam, Cluster yam (Jamaica)

Distribution: Senegal; Gambia; Guinea-Bissau; Guinea; Sierra Leone; Liberia; Mali; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Niger; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; São Tomé; Annobon Isl.; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Rwanda; Burundi; S-Chad; Sudan; South Sudan; Ethiopia; Eritrea; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique; Jamaica [I]

22 BEN BKN GAM GHA GNB GUI IVO LBR MLI NGA NGR SEN SIE TOG 23 ANN BIO BUR CAF CMN CON EQG GAB RWA SAO ZAI 24 CHA ERI ETH SSU SUD 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 81 jam

Synonyms: hidden

= Dioscorea buchholziana Engl.; Bot. Jahrb. Syst. 7: 333 (1886)

= Dioscorea triphylla G.W.Schimp. ex A.Rich.; Tent. Fl. Abyss. 2: 316 (1850), nom. illeg.

= Dioscorea triphylla var. abyssinica R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 136 (1924)

= Dioscorea triphylla var. dumetorum (Kunth) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 132 (1924)

= Dioscorea triphylla var. rotundata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 136 (1924)

= Dioscorea triphylla var. tomentosa Rendle; Cat. Afr. Pl. [Hiern] 2(1): 40 (1899)

= Helmia dumetorum Kunth; Enum. Pl. [Kunth] 5: 436 (1850)

species :

Dioscorea dumetosa Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 209 (1917)

Distribution: WC-Brazil (Mato Grosso)

84 BRA

species :

Dioscorea edulis (Lowe) M.Campos, Wilkin & Viruel; Ann. Bot. (Oxford) 131(4): 645 (2023)

Distribution: Madeira (Madeira Isl.); Canary Isl. (Gran Canaria, Tenerife, La Gomera, Hierro, La Palma)

21 CNY MDR

Remarks: communis agg.

Synonyms: hidden

= Dioscorea canariensis Bourg. ex Webb & Berthel.; Hist. Nat. Îles Canaries (Phytogr.) 3: 317 (1847)

= Tamus canariensis Willd. ex Kunth; Enum. Pl. [Kunth] 5: 455 (1850)

= Tamus edulis Lowe; Trans. Cambridge Philos. Soc. 4(1): 12 (1833)

= Tamus norsa Lowe; Trans. Cambridge Philos. Soc. 6(3): (1838), reimp. 21

species :

Dioscorea elegans Ridl. ex Prain & Burkill; Bull. Misc. Inform. Kew 1925: 65 (1925)

Distribution: New Guinea (Irian Jaya)

42 NWG

Synonyms: hidden

= Dioscorea papuana Ridl.; Trans. Linn. Soc. London, Bot., Ser. 2, 9: 227 (1916) non Warb.

species :

Dioscorea elephantipes (L´Hér.) Engl.; Veg. Erde [Engler & Drude] 9 (Pflanzenw. Afr.) 2: 367 (1908)

Distribution: Bioko Isl. [Fernando Poo] [I]; Namibia; South Africa (W-Cape Prov., E-Cape Prov.)

23 bio 27 NAM SAF

Synonyms: hidden

= Dioscorea elephantopus Spreng.; Syst. Veg., ed. 16 [Sprengel] 4(2), Cur. Post.: 143 (1827), nom. illeg.

= Dioscorea montana (Burch.) Spreng.; Syst. Veg., ed. 16 [Sprengel] 4(2), Cur. Post.: 143 (1827)

= Dioscorea testudinaria R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 9 (1924), nom. illeg.

= Rhizemys elephantipes (L´Hér.) Raf.; Fl. Tellur. 4: 26 (1836)

= Rhizemys montana (Burch.) Raf.; Fl. Tellur. 4: 26 (1838)

= Tamus elephantipes L´Hér.; Sert. Angl. 29 (1788)

= Testudinaria elephantipes (L´Hér.) Burch.; Trav. S. Africa 2: 147 (1824)

= Testudinaria elephantipes f. montana (Burch.) G.D.Rowley; Natl. Cact. Succ. J. 28(1): 6 (1973)

= Testudinaria montana Burch.; Trav. S. Africa 2: 148 (1824)

species :

Dioscorea entomophila Hauman; Anales Mus. Nac. Buenos Aires 27: 475 (1916)

Distribution: Argentina (Tucuman)

85 ARG

Synonyms: hidden

= Dioscorea entomophila var. tomentosa Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 479 (1915)

species :

Dioscorea epistephioides Taub.; Bot. Jahrb. Syst. 21: 425 (1896)

Distribution: WC-Brazil (Goiás)

84 BRA

species :

Dioscorea escuintlensis Matuda; Bol. Soc. Bot. México 21: 4 (1957)

Distribution: Guatemala

80 GUA

species :

Dioscorea esculenta (Lour.) Burkill; Gard. Bull. Singapore 1: 396 (1917)

Name: Potato yam, Lesser Yam

Distribution: Burkina Faso [c]; Madagascar [I]; Comores [I]; China [I] (Hainan [I]); Ryukyu Isl. [I]; Taiwan [I]; Nepal [I]; India (almost throughout); Maldives; Maldives [I]; Sri Lanka [I]; Bangladesh; Andaman Isl. [I]; Nicobar Isl. [I]; Myanmar (Mandalay, Kachin, Rakhine, Shan, Yangon); Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia [I] (Kedah [I]); Sumatra; Borneo; Sulawesi; Philippines (Batanes, Luzon, Semirara); Java; Lesser Sunda Isl.; Moluccas; New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch.; New Caledonia [I]; Rotuma Isl. [I]; Tonga [I]; Niue [I]; Fiji [I]; Cook Isl. [I] (Mangaia [I], Mitiaro [I]); Tuamotu Arch. [I] (Makatea Isl. [I]); Palau [I] (Babeldaob [I], Ngeanges [I], Sonsorol [I]); Northern Marianas [I] (Agrihan [I], Pagan [I], Saipan [I], Aguijan [I], Rota [I]); Guam [I]; Fed. States of Micronesia [I] (Yap [I], Ulithi [I], Fais [I], Pohnpei [I], Kosrae [I]); Puerto Rico [I]; Guadeloupe [I]; Martinique [I]; Trinidad [I]; Colombia [I]; French Guiana [I]

22 bkn 29 com mdg 36 chi 38 nns tai 40 BAN IND MDV nep srl 41 and CBD LAO MYA ncb THA VIE 42 BOR JAW LSI mly MOL NWG PHI SUL SUM 43 BIS 60 fij nue nwc rot ton 61 coo tua 62 gum mic mrn plu 81 gdl mar pue trt 82 clm frg

Synonyms: hidden

= Dioscorea aculeata Roxb.; Fl. Ind. [Roxburgh] 3: 800 (1832), nom. illeg.

= Dioscorea aculeata var. spinosa (Prain) Roxb. ex Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 20 (1914)

= Dioscorea aculeata var. spinosa Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 20 (1914)

= Dioscorea esculenta var. fasciculata (Roxb.) Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 19 (1914)

= Dioscorea esculenta var. fulvidotomentosa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 190 (1924)

= Dioscorea esculenta var. spinosa (Prain) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 189 (1924)

= Dioscorea esculenta var. tiliifolia (Kunth) Fosberg & Sachet; Micronesica 20(1-2): 135 (1987)

= Dioscorea fasciculata Roxb.; Hort. Bengal. 72, Fl. Ind. [Roxburgh] 3: 801 (1832)

= Dioscorea fasciculata var. spinosa (Roxb. ex Hook.f.) Prain; Bengal Pl. 2: 1066 (1903)

= Dioscorea papillaris Blanco; Fl. Filip. [Blanco] 801 (1837)

= Dioscorea papuana Warb.; Bot. Jahrb. Syst. 13: 273 (1891), non Ridl.

= Dioscorea spinosa Roxb. ex Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 291 (1892), nom. illeg.

= Dioscorea tiliifolia Kunth; Enum. Pl. [Kunth] 5: 401 (1850)

= Dioscorea tugui Blanco; Fl. Filip. [Blanco] 800 (1837)

= Oncorhiza esculentus (Lour.) Pers.; Syn. Pl. [Persoon] 1: 374 (1805)

= Oncus esculentus Lour.; Fl. Cochinch. 1: 194 (1790)

species :

Dioscorea esquirolii Prain & Burkill; Bull. Misc. Inform. Kew 1931: 426 (1931)

Distribution: China (Guizhou, Guangxi, Yunnan)

36 CHI

species :

Dioscorea exalata C.T.Ting & M.C.Chang; Acta Phytotax. Sin. 20(2): 208 (1982)

Distribution: China (Guangdong, Guangxi, Guizhou, Sichuan, Yunnan); Thailand; Cambodia; Vietnam

36 CHI 41 CBD THA VIE

species :

Dioscorea fandra H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 27 (1928)

Distribution: Madagascar

29 MDG

species :

Dioscorea fasciculocongesta (Sosa & B.G.Schub.) O.Téllez; Contr. Univ. Michigan Herb. 21: 310 (1997)

Distribution: Mexico (Puebla, Veracruz); Panama

79 MEX 80 PAN

Synonyms: hidden

= Dioscorea spiculiflora var. fasciculocongesta Sosa & B.G.Schub.; Biotica 11(3): 187 (1986)

species :

Dioscorea fastigiata Gay; Fl. Chil. [Gay] 6: 54 (1853)

Distribution: Chile (Antofagasta, Atacama, Coquimbo)

85 CLE

Synonyms: hidden

= Dioscorea cylindrostachya I.M.Johnst.; Contr. Gray Herb. 85: 25 (1929)

= Dioscorea gayi Phil.; Anales Univ. Chile 93: 9 (1896)

= Dioscorea geissei Phil.; Anales Univ. Chile 93: 8 (1896)

= Dioscorea paupera Phil.; Anales Univ. Chile 93: 12 (1896)

= Dioscorea thinophila Phil.; Anales Univ. Chile 93: 10 (1896)

species :

Dioscorea fendleri R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 65 (1924)

Distribution: Colombia (Cesar); Venezuela (Aragua, Venezuela Distrito Federal, Falcon, Miranda, Portuguesa, Tachira, Yaracuy)

82 CLM VEN

species :

Dioscorea ferreyrae Ayala; Dioscoreaceae Peru 27 (1998)

Distribution: Peru

83 PER

species :

Dioscorea filiformis Blume; Enum. Pl. Javae 1: 22 (1827)

Distribution: Thailand; peninsular Malaysia (north of Malaya); Sumatra; Borneo; Sulawesi; Palawan (incl. Culion); Philippines (Luzon, Jolo); Java; Lesser Sunda Isl. (Bali, etc.); Moluccas (?Aru Isl.)

41 THA 42 BOR JAW LSI MLY MOL PHI PLW SUL SUM

Synonyms: hidden

= Dioscorea gibbiflora Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 294 (1892)

= Dioscorea koordersii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 291 (1924)

= Dioscorea myriantha Kunth; Enum. Pl. [Kunth] 5: 382 (1850)

= Dioscorea repanda Blume; Enum. Pl. Javae 1: 22 (1827)

species :

Dioscorea flabellifolia Prain & Burkill; Leafl. Philipp. Bot. 5: 1593 (1913)

Distribution: Taiwan; Borneo; Philippines (Luzon, Catanduanes, Mindoro); New Guinea (Papua New Guinea); Palau (Babeldaob)

38 TAI 42 BOR NWG PHI 62 PLU

Synonyms: hidden

= Dioscorea bullata Prain & Burkill; Bull. Misc. Inform. Kew 1925: 60 (1925)

= Dioscorea ledermannii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 188 (1924)

species :

Dioscorea flabellispina R.Couto & J.M.A.Braga; Phytotaxa 231(1): 90 (2015)

Distribution: Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea flaccida R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 85 (1930)

Distribution: Colombia (Cauca, Cundinamarca, Nariño, Tolima)

82 CLM

species :

Dioscorea flexuosa (Poir.) C.A.Zanotti & Zuloaga; Darwiniana n.s., 13(1): 191 (2025)

Name: Papa cimarrona (Chile)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío)

85 CLE

Synonyms: hidden

= Dioscorea bridgesii Griseb. ex Kunth; Enum. Pl. [Kunth] 5: 358 (1850)

= Dioscorea tenuicaulis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 192 (1924) (in syn.)

= Rajania flexuosa Poir.; Encycl. [J.Lamarck et al.] 6: 59 (1804)

species :

Dioscorea floribunda M.Martens & Galeotti; Bull. Acad. Roy. Sci. Bruxelles 9(2): 391 (1842)

Distribution: Mexico (Campeche, Chiapas, Guerrero, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz, Yucatan); Guatemala; Belize; El Salvador; Honduras

79 MEX 80 BLZ ELS GUA HON

Synonyms: hidden

= Dioscorea barclayi R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 169 (1924)

species :

Dioscorea floridana Bartlett; Bull. Bur. Pl. Industr. U.S.D.A. 189, 18 (1910)

Name: Florida yam

Distribution: USA (Florida, Georgia, South Carolina)

78 USA

Synonyms: hidden

= Dioscorea villosa subsp. floridana (Bartlett) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 173 (1924)

= Dioscorea villosa var. floridana (Bartlett) Ahles; J. Elisha Mitchell Sci. Soc. 80: 172 (1964)

species :

Dioscorea fodinarum Kunth; Enum. Pl. [Kunth] 5: 405 (1850)

Distribution: Venezuela; Peru; NE-Brazil (Bahia); WC-Brazil (Goiás); SE-Brazil (Minas Gerais, Rio de Janeiro)

82 VEN 83 PER 84 BRA

Synonyms: hidden

= Dioscorea effusa Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 161 (1875)

= Dioscorea multiflora var. grandifolia Griseb.; Fl. Bras. [Martius] 3(1): 35 (1842)

= Dioscorea venosa Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 190 (1917)

= Dioscorea venosa var. effusa (Griseb.) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

= Dioscorea venosa var. fodinarum (Kunth) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

species :

Dioscorea fordii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 450 (1908)

Distribution: China (Fujian, Guangdong, Guangxi, S-Hunan, S-Zhejiang)

36 CHI

Synonyms: hidden

= Dioscorea hainanensis Prain & Burkill; Bull. Misc. Inform. Kew 1936: 494 (1936)

species :

Dioscorea fractiflexa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 235 (1924)

Distribution: S-Brazil (Paraná)

84 BRA

species :

Dioscorea fuliginosa R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 78 (1925)

Distribution: Bolivia (Tarija)

83 BOL

Conservation Status: known only from type

species :

Dioscorea furcata Griseb.; Fl. Bras. [Martius] 3(1): 45 (1842)

Distribution: S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (sin localidad); Uruguay (Salto); Argentina (Corrientes, Entre Rios, Misiones)

84 BRA 85 ARG PAR URU

Synonyms: hidden

= Dioscorea fracta Griseb.; Fl. Bras. [Martius] 3(1): 44 (1842)

= Helmia fracta (Griseb.) Kunth; Enum. Pl. [Kunth] 5: 420 (1850)

= Helmia furcata (Griseb.) Kunth; Enum. Pl. [Kunth] 5: 419 (1850)

species :

Dioscorea futschauensis Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 264 (1924)

Distribution: China (Fujian, N-Guangdong, NE-Guangxi, Hunan, S-Zhejiang)

36 CHI

species :

Dioscorea galeottiana Kunth; Enum. Pl. [Kunth] 5: 409 (1850)

Distribution: Mexico (Colima, Ciudad de Mexico, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Oaxaca, Puebla, Queretaro, Tlaxcala, Veracruz)

79 MEX

Synonyms: hidden

= Dioscorea convolvulacea var. galeottiana (Kunth) Uline; Bot. Jahrb. Syst. 22: 427 (1896)

= Dioscorea convolvulacea var. viridis Uline; Bot. Jahrb. Syst. 22: 427 99 (1897)

= Dioscorea grandiflora M.Martens & Galeotti; Bull. Acad. Roy. Sci. Bruxelles 9(2): 392 (1842), nom. illeg.

= Dioscorea lobata var. lasiophylla Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 194 (1917)

species :

Dioscorea galiiflora R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 538 (1921)

Distribution: WC-Brazil (Mato Grosso)

84 BRA

Synonyms: hidden

= Dioscorea piperifolia var. triangularis Griseb.; Fl. Bras. [Martius] 3(1): 27 (1842)

= Dioscorea triangularis (Griseb.) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 57 (1924), nom. illeg.

species :

Dioscorea gallegosi Matuda; Anales Inst. Biol. Univ. Nac. México 24: 288 (1954)

Distribution: Mexico (Chiapas, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Oaxaca)

79 MEX

species :

Dioscorea garrettii Prain & Burkill; Bull. Misc. Inform. Kew 1936: 493 (1936)

Distribution: China (Yunnan); Thailand; Laos

36 CHI 41 LAO THA

species :

Dioscorea gaumeri R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 199 (1917)

Distribution: Mexico (Campeche, Quintana Roo, Yucatan); Belize

79 MEX 80 BLZ

Synonyms: hidden

= Dioscorea dodecasemina Caddick & Wilkin; Taxon 51: 112 (2002)

= Dioscorea synandra (Uline) Standl.; Publ. Field Columbian Mus., Bot. Ser. 3: 231 (1930), non Uline

= Higinbothamia synandra Uline; Publ. Field Columbian Mus., Bot. Ser. 1: 415 (1899)

species :

Dioscorea gentryi O.Téllez; Brittonia 48(1): 100 (1996)

Distribution: Peru

83 PER

species :

Dioscorea gillettii Milne-Redh.; Kew Bull. 17: 177 (1963)

Distribution: S-Ethiopia; N-Kenya

24 ETH 25 KEN

species :

Dioscorea glabra Roxb.; [Hort. Bengal. 72 (1814), nomen], Fl. Ind. [Roxburgh] 3: 804 (1832)

Distribution: China (W-Guangxi, S-Yunnan); Nepal; Bhutan; India (almost throughout); Bangladesh; Andaman Isl. (North Andamans, Middle Andamans, South Andamans, Little Andaman Isl.); Nicobar Isl. (Car Nicobar Isl., North Nicobars, Central Nicobars, Great Nicobar Isl., Little Nicobar Isl.); Myanmar (Bago, Taninthayi, Yangon); Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; Singapore

36 CHI 40 BAN BHU IND NEP 41 AND CBD LAO MYA NCB THA VIE 42 MLY SNG

Conservation Status: critically endangered (Singapore)

Synonyms: hidden

= Dioscorea crepitans Buch.-Ham. ex Wall.; Numer. List [Wallich] 178, no. 5 105 F (1832) (pro syn.)

= Dioscorea crepitans Ham. ex Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 294 (1892)

= Dioscorea glabra var. hastifolia Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 37 (1914)

= Dioscorea glabra var. longifolia Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 37 (1914)

= Dioscorea glabra var. vera Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14(1): 357 (1936)

= Dioscorea hongkongensis Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 288 (1924)

= Dioscorea oryzetorum var. latifolia Prain & Burkill; Bull. Misc. Inform. Kew 1927: 243 (1927)

= Dioscorea oryzetorum var. mediifolia Prain & Burkill; Bull. Misc. Inform. Kew 1927: 243 (1927)

= Dioscorea siamensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 281 (1924)

species :

Dioscorea glandulosa (Griseb.) Klotzsch ex Kunth; Enum. Pl. [Kunth] 5: 352 (1850)

Distribution: Colombia (Boyacá, Cundinamarca, Quindío); Ecuador; Peru; N-Brazil; NE-Brazil; WC-Brazil; SE-Brazil (Minas Gerais, Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina); Paraguay (Caazapa, Concepcion, Guaira); Argentina (Chaco, Misiones)

82 CLM 83 ECU PER 84 BRA 85 ARG PAR

Synonyms: hidden

= Dioscorea paranensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 195 (1917)

= Dioscorea piperifolia var. glandulosa (Klotzsch ex Kunth) Griseb.; Fl. Bras. [Martius] 3(1): 27 (1842)

= Dioscorea piperifolia var. legitima Griseb.; Fl. Bras. [Martius] 3(1): 27 (1842)

= Dioscorea recurva Rusby; Descr. S. Amer. Pl. 4 (1920)

= Dioscorea sororia Kunth; Enum. Pl. [Kunth] 5: 353 (1850)

= Dioscorea sulcata R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 195 (1917)

= Dioscorea undecimnervis Vell.; Fl. Flumin. 10: t. 120 (1825 publ. 1829)

variant :

var. calcencis (R.Knuth) Ayala; Dioscoreaceae Peru 29 (1998)

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea calcensis R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 159 (1932)

species :

Dioscorea glauca Rusby; Bull. New York Bot. Gard. 4: 459 (1907)

Distribution: Bolivia (La Paz, Santa Cruz)

83 BOL

Synonyms: hidden

= Dioscorea coripatensis J.F.Macbr.; Candollea 6: 2 (1934)

species :

Dioscorea glomerulata Hauman; Anales Mus. Nac. Buenos Aires 27: 455 (1916)

Distribution: Bolivia (Chuquisaca, Cochabamba, La Paz, Santa Cruz, Tarija); Argentina (Catamarca, Jujuy, Salta, Tucuman)

83 BOL 85 ARG

Synonyms: hidden

= Dioscorea boliviensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 188 (1917)

= Dioscorea burroyacensis R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 220 (1936)

= Dioscorea chacoensis R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 77 (1925)

= Dioscorea glomerulata var. mandonii (Uline ex R.Knuth) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 59 (1924)

= Dioscorea lorentzii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 187 (1917)

= Dioscorea lorentzii var. mandonii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 187 (1917)

= Dioscorea nodosa R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 187 (1917)

species :

Dioscorea gomez-pompae O.Téllez; Contr. Univ. Michigan Herb. 21: 309 (1997), nom. nov.

Distribution: Mexico (Chiapas, Oaxaca, Veracruz); Guatemala

79 MEX 80 GUA

Synonyms: hidden

= Dioscorea spiculiflora var. chiapasana Gómez Pompa; Ciencia (Mexico) 18: 242 (1959)

species :

Dioscorea gracilicaulis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

Distribution: WC-Brazil (Goiás)

84 BRA

species :

Dioscorea gracilipes Prain & Burkill; Bull. Misc. Inform. Kew 1925: 63 (1925)

Distribution: peninsular Thailand

41 THA

species :

Dioscorea gracilis Hook. ex Poepp.; Fragm. Syn. Pl. 12 (1833)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, Ñuble)

85 CLE

Synonyms: hidden

= Dioscorea humifusa var. gracilis (Hook. ex Poepp.) L.E.Navás; Anales Acad. Chilena Ci. Nat. 1968: 48 (1968)

species :

Dioscorea gracillima Miq.; Ann. Mus. Bot. Lugduno-Batavi 3: 160 (1867)

Distribution: China (S-Anhui, N-Fujian, SW-Hubei, E-Hunan, Jiangxi, Zhejiang); Japan (Honshu, Shikoku, Kyushu)

36 CHI 38 JAP

species :

Dioscorea grandiflora Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 28 (1842)

Distribution: N-Brazil (Pará); WC-Brazil (Mato Grosso); SE-Brazil (Minas Gerais, São Paulo); Paraguay (Alto Paraná)

84 BRA 85 PAR

species :

Dioscorea grandis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 194 (1917)

Distribution: Peru

83 PER

species :

Dioscorea grata Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 35 (1914)

Distribution: Philippines (Luzon); New Guinea (Irian Jaya)

42 NWG PHI

species :

Dioscorea gribinguiensis Baudon; Ann. Mus. Colon. Marseille, Sér. 3, 1: 241 (1913)

Distribution: +Central African Republic

23 CAF

Conservation Status: only known from two old collections before 1947

species :

Dioscorea grisebachii Kunth; Enum. Pl. [Kunth] 5: 853 (1850)

Distribution: NE-Brazil (Bahia); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Santa Catarina)

84 BRA

Synonyms: hidden

= Dioscorea filiformis Griseb.; Fl. Bras. [Martius] 3(1): 44 (1842), nom. illeg.

= Dioscorea kunthiana Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 211 (1917)

= Hyperocarpa filiformis (Griseb.) G.M.Barroso, E.F.Guim. & Sucre; Sellowia 25: 20 (1974)

species :

Dioscorea guerrerensis R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 221 (1936)

Distribution: Mexico (Guerrero, Jalisco, Mexico State, Michoacán)

79 MEX

species :

Dioscorea guianensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

Distribution: Colombia (Guainía, Guaviare, Vaupés); Guyana

82 CLM GUY

species :

Dioscorea haenkeana C.Presl; Reliq. Haenk. 1: 135 (1827)

Distribution: Panama; Peru

80 PAN 83 PER

species :

Dioscorea haitiensis R.Knuth; Ark. Bot. 20A(5): 6 (1926)

Name: Name cimarron (Dominican Republic), Igname chat, Yam chatte (Haiti)

Distribution: Cuba; Hispaniola (Dominican Republic, Haiti)

81 CUB HIS

Synonyms: hidden

= Rajania cordata var. ehrenbergii Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

= Rajania ovata Sw.; Prodr. Veg. Ind. Occ. [O.P.Swartz] 59 (1788)

species :

Dioscorea hamiltonii Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 295 (1892)

Distribution: China (Fujian, Guangdong, Guangxi, S-Guizhou, Hunan, S-Yunnan); Taiwan; Nepal; Bhutan; India (Arunachal Pradesh, Assam, Bihar, Goa, Karnataka, Kerala, Manipur, Meghalaya, Mizorum, Nagaland, Odisha, Sikkim, Tamil Nadu, Tripura, West Bengal); Bangladesh; Andaman / Nicobar Isl.; Myanmar; Thailand; Laos; Cambodia; Vietnam

36 CHI 38 TAI 40 BAN BHU IND NEP 41 CBD LAO MYA THA VIE

Synonyms: hidden

= Dioscorea alata Wood; Rec. Bot. Surv. India 2: 143 (1902) non L.

= Dioscorea hookeri Prain ex Wood; Rec. Bot. Surv. India 2: 143 (1902)

= Dioscorea persimilis Prain & Burkill; J. Proc. Asiat. Soc. Bengal 4: 454 (1908)

= Dioscorea persimilis var. pubescens C.T.Ting & M.C.Chang; Acta Phytotax. Sin. 20(2): 205 (1982)

= Dioscorea persimilis var. wukangensis Hand.-Mazz.; Symb. Sin. 7: 1241 (1936)

= Dioscorea raishaensis Hayata; Icon. Pl. Formosan. 10: 44 (1921)

species :

Dioscorea hassleriana Chodat; Bull. Herb. Boissier, Sér. 2, 3: 1111 (1903)

Distribution: Bolivia (Santa Cruz, Tarija); NE-Brazil (Bahia); WC-Brazil (Mato Grosso, Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul); Paraguay (Amambay, Central, Concepcion, Cordillera, Guaira, Paraguari); Argentina (Jujuy, Salta)

83 BOL 84 BRA 85 ARG PAR

Synonyms: hidden

= Dioscorea hassleriana var. triloba Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 111 (1903)

= Dioscorea hastata var. balansae Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 213 (1917)

= Dioscorea hastata var. hassleriana (Chodat) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 213 (1917)

= Dioscorea hastata var. mattogrossensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 213 (1917)

= Dioscorea hastata Vell.; Fl. Flumin. 10: t. 126 (1825 publ. 1829), nom. illeg.

= Dioscorea platystemon Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 493 (1918)

= Dioscorea platystemon var. hassleriana (Chodat) R.Knuth

species :

Dioscorea hastata Mill.; Gard. Dict., ed. 8: no. 2 (1768)

Distribution: French Guiana

82 FRG

species :

Dioscorea hastatissima Rusby; Descr. S. Amer. Pl. 7 (1920)

Distribution: Colombia (Antioquia, Magdalena)

82 CLM

species :

Dioscorea hastifolia Nees; Pl. Preiss. [J.G.C.Lehmann] 2: 33 (1846)

Distribution: Australia (SW-Western Australia: Murchison R. to the Darling Range)

50 AUS

species :

Dioscorea hastiformis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 197 (1917)

Distribution: Bolivia (Chuquisaca, Tarija)

83 BOL

species :

Dioscorea haumanii Xifreda; Bol. Soc. Argent. Bot. 20(3-4): 317 (1982)

Distribution: Paraguay (Alto Paraguay); Argentina (Jujuy, Salta)

85 ARG PAR

species :

Dioscorea havilandii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 40 (1914)

Distribution: Sumatra (Belitung Isl., Bangka Isl.); Borneo

42 BOR SUM

species :

Dioscorea hebridensis R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 224 (1936)

Distribution: Vanuatu

60 VAN

species :

Dioscorea hemicrypta Burkill; J. S. African Bot. 18: 187 (1952)

Distribution: Namibia; South Africa (N-Cape Prov., W-Cape Prov.)

27 NAM SAF

Synonyms: hidden

= Testidunaria glauca Marloth; (nom. inval.)

species :

Dioscorea hemsleyi Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 451 (1908)

Distribution: China (Guangxi, Guizhou, Sichuan, Yunnan); Myanmar; Laos; Cambodia; Vietnam

36 CHI 41 CBD LAO MYA VIE

Synonyms: hidden

= Dioscorea mairei H.Lév.; Repert. Spec. Nov. Regni Veg. 12: 288 (1913) (non R. Knuth 1924)

= Dioscorea praecox Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 455 (1908)

species :

Dioscorea heptaneura Vell.; Fl. Flumin. 10: t. 124 (1825 publ. 1829)

Distribution: NE-Brazil (Bahia); SE-Brazil (Minas Gerais, Rio de Janeiro)

84 BRA

Synonyms: hidden

= Dioscorea heptaneura f. latisinuata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 209 (1917)

= Dioscorea triandra Griseb.; Fl. Bras. [Martius] 3(1): 43 (1842), pro syn.

species :

Dioscorea herbert-smithii Rusby; Descr. S. Amer. Pl. 7 (1920)

Distribution: Colombia (Magdalena)

82 CLM

species :

Dioscorea heteropoda Baker; J. Bot. 20: 270 (1882)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea heteropoda var. diffusa Burkill & H.Perrier; Notul. Syst. (Paris) 14: 136 (1951)

species :

Dioscorea hexagona Baker; J. Bot. 20: 270 (1882)

Distribution: Madagascar

29 MDG

species :

Dioscorea hieronymi Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 197 (1917)

Distribution: Bolivia (Chuquisaca, Cochabamba, Santa Cruz, Tarija); Argentina (Catamarca, Jujuy, Salta, Tucuman)

83 BOL 85 ARG

Synonyms: hidden

= Dioscorea chiquiacensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 196 (1917)

= Dioscorea megalantha var. subsessilis Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 473 (1915)

= Dioscorea tafiensis R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 222 (1936)

species :

Dioscorea hintonii R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 222 (1936)

Distribution: Mexico (Guerrero, Jalisco, Mexico State, Michoacán, Morelos)

79 MEX

species :

Dioscorea hirtiflora Benth.; Niger Fl. [W.J.Hooker] 537 (1849)

subspecies :

subsp. hirtiflora

Distribution: Senegal; Guinea-Bissau; ?Guinea; Sierra Leone; Liberia; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Gabon; Central African Republic; D.R.Congo [Zaire]; Angola; Malawi; Namibia

22 BEN BKN GHA GNB IVO LBR NGA SEN SIE TOG 23 CAF CMN GAB ZAI 26 ANG MLW 27 NAM

Synonyms: hidden

= Dioscorea dusenii Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 257 (1924)

= Dioscorea hirtiflora var. polyantha (Rendle) Burkill

= Dioscorea polyantha Rendle; Cat. Afr. Pl. [Hiern] 2: 37 (1899)

= Dioscorea rubiginosa Benth.; Niger Fl. [W.J.Hooker] 538 (1849)

= Dioscorea sylvestris A.Chev. ex De Wild.; Études Fl. Bangala & Ubangi 130 (1911), nomen

subspecies :

subsp. orientalis Milne-Redh.; Kew Bull. 26(3): 574 (1972)

Distribution: Kenya; Tanzania; Malawi; Mozambique

25 KEN TAN 26 MLW MOZ

Synonyms: hidden

= Dioscorea lindiensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 12: 703 (1935)

= Dioscorea hirtiflora var. grahamii Burkill; (nom. illeg.)

subspecies :

subsp. pedicellata Milne-Redh.; Kew Bull. 26(3): 573 (1972)

Distribution: D.R.Congo [Zaire]; Uganda; Tanzania; Zambia; Malawi; Zimbabwe; Mozambique

23 ZAI 25 TAN UGA 26 MLW MOZ ZAM ZIM

species :

Dioscorea hispida Dennst.; Schlüssel Hortus Malab. 33 (1818)

Distribution: China (Fujian, Guangdong, Guangxi, E-Yunnan); Tibet; Taiwan; Nepal; Bhutan; India (almost throughout); Bangladesh; Myanmar (Bago, Kachin, Mandalay, Mon, Yangon); Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; Singapore; Sumatra; Borneo; Sulawesi; Philippines (throughout); Java; Lesser Sunda Isl. (Bali, etc.); Moluccas; New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch.; Fed. States of Micronesia [I] (Pohnpei [I])

36 CHI TIB 38 TAI 40 BAN BHU IND NEP 41 CBD LAO MYA THA VIE 42 BOR JAW LSI MLY MOL NWG PHI SNG SUL SUM 43 BIS 62 mic

Conservation Status: critically endangered (Singapore)

Synonyms: hidden

= Dioscorea altissima Roxb. ex Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 289 (1892), non Lam. 1789

= Dioscorea daemona Roxb.; (Hort. Bengal. 72 (1814), nomen), Fl. Ind. [Roxburgh] 3: 805 (1832)

= Dioscorea daemona var. reticulata Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 289 (1892)

= Dioscorea hirsuta Blume; Enum. Pl. Javae 1: 21 (1827)

= Dioscorea hispida var. daemona (Roxb.) Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 192 (1936)

= Dioscorea hispida var. mollissima (Blume) Prain & Burkill; Bull. Misc. Inform. Kew 1927: 237 (1927)

= Dioscorea hispida var. neoscaphoides Prain & Burkill; Bull. Misc. Inform. Kew 1927: 237 (1927), not validly publ.

= Dioscorea hispida var. reticulata (Hook.f.) Prain & Burkill; Bull. Misc. Inform. Kew 1927: 237 (1927)

= Dioscorea hispida var. scaphoides Prain & Burkill; Bull. Misc. Inform. Kew 1927: 237 (1927)

= Dioscorea lunata B.Heyne ex Roth; Nov. Pl. Sp. 370 (1821)

= Dioscorea mollissima Blume; Enum. Pl. Javae 1: 21 (1827)

= Dioscorea trifoliata Noronha; Verh. Batav. Genootsch. Kunst. 5: ed. I. Art. IV. 13 (1790), non Kunth

= Dioscorea triphylla var. daemona (Roxb.) Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 26 (1914)

= Dioscorea triphylla var. mollissima (Blume) Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10(1): 26 (1914)

= Dioscorea triphylla var. reticulata (Hook.f.) Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 26 (1914)

= Dioscorea virosa Wall. ex Klotzsch & Garcke; Bot. Ergebn. Reise Waldemar [Klotzsch & Garcke] 56 (1862)

= Helmia daemona (Roxb.) Kunth; Enum. Pl. [Kunth] 5: 439 (1850)

= Helmia hirsuta (Blume) Kunth; Enum. Pl. [Kunth] 5: 438 (1850)

species :

Dioscorea holmioidea Maury; J. Bot. [Morot] 3: 267 fig. 11 (1889)

Distribution: Venezuela (Amazonas)

82 VEN

species :

Dioscorea hombuka H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 31 (1928)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea hombuka var. ataza Burkill & H.Perrier; Notul. Syst. (Paris) 14: 137 (1951)

= Dioscorea hombuka var. seyrigii Burkill & H.Perrier; Notul. Syst. (Paris) 14: 137 (1951)

species :

Dioscorea hondurensis R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 120 (1935)

Distribution: Mexico (Chiapas, Oaxaca, Tabasco); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama

79 MEX 80 BLZ COS GUA HON NIC PAN

Synonyms: hidden

= Dioscorea belizensis Lundell; Contr. Univ. Michigan Herb. 6: 5 (1941)

= Dioscorea tabascana Matuda; Bol. Soc. Bot. México 21: 1 (1957)

species :

Dioscorea howardiana O.Téllez, B.G.Schub. & Geeta; Brittonia 59(4): 370 (2007)

Distribution: Mexico (Chiapas)

79 MEX

species :

Dioscorea humifusa Poepp.; Fragm. Syn. Pl. 12 (1833)

Name: Huanqui (Chile)

Distribution: Chile (Atacama, Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía)

85 CLE

Synonyms: hidden

= Dioscorea filipendula Dombey ex Kunth; Enum. Pl. [Kunth] 5: 341 (1850)

= Dioscorea nigrescens Phil.; Anales Univ. Chile 93: 5 (1902), non Kunth

species :

Dioscorea humilis Bert ex Colla; Mem. Reale Accad. Sci. Torino 39: 12, t. 51, f. 2 (1836)

subspecies :

subsp. humilis

Distribution: Chile (Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Biobío)

85 CLE

Synonyms: hidden

= Borderea humilis Pax; Nat. Pflanzenfam. [Engler & Prantl] III, 5: 133 (1887)

= Dioscorea pusilla Hook.; Icon. Pl. 7: t. 678 (1844)

= Epipetrum humile (Bertero ex Colla) Phil.; Linnaea 33: 253 (1864 publ. 1865)

subspecies :

subsp. polyanthes (F.Phil.) Viruel, Segarra & L.Villar; Syst. Bot. 35(1): 60 (2010)

Distribution: Chile (Maule)

85 CLE

Synonyms: hidden

= Dioscorea polyanthes (F.Phil.) Caddick & Wilkin; Taxon 51: 112 (2002)

= Epipetrum polyanthes F.Phil.; Anales Univ. Chile 93: 22 (1896)

species :

Dioscorea hunzikeri C.C.Xifreda; Darwiniana 26(1-4): 371 (1985)

Distribution: Bolivia (Santa Cruz)

83 BOL

Conservation Status: known only from type

species :

Dioscorea hurteri R.Hills & Wilkin; Kew Bull. 73(1)-14: 2 (2018)

Distribution: South Africa (KwaZulu-Natal)

27 SAF

species :

Dioscorea hyalinomarginata Raz; Phytotaxa 258(1): 35 (2016), nom. nov.

Distribution: Hispaniola (Haiti)

81 HIS

Synonyms: hidden

= Rajania marginata R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 121 (1935)

= Rajania spiculiflora Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 219 (1917)

species :

Dioscorea igualamontana Matuda; Anales Inst. Biol. Univ. Nac. México 24: 56 (1953)

Distribution: Mexico (Guerrero)

79 MEX

species :

Dioscorea incayensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 85 (1930)

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea vargasii Standl.; Publ. Field Mus. Nat. Hist., Bot. Ser. 22: 134 (1940)

species :

Dioscorea inopinata Prain & Burkill; Bull. Misc. Inform. Kew 1927: 245 (1927)

Distribution: SW-Thailand

41 THA

species :

Dioscorea insignis C.V.Morton & B.G.Schub.; Proc. Biol. Soc. Washington 84(52): 447 (1972)

Distribution: Mexico (Oaxaca, Guerrero)

79 MEX

species :

Dioscorea intermedia Thwaites; Enum. Pl. Zeyl. [Thwaites] 326 (1859)

Distribution: India (Tamil Nadu); Sri Lanka

40 IND SRL

Synonyms: hidden

= Dioscorea oppositifolia var. dukhunensis Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 393 (1936)

= Dioscorea obcuneata Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 293 (1892)

species :

Dioscorea introrsa Raz; Phytotaxa 258(1): 35 (2016), nom. nov.

Distribution: Cuba

81 CUB

Synonyms: hidden

= Rajania nipensis R.A.Howard; J. Arnold Arbor. 28: 117 (1947)

species :

Dioscorea ionophylla Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 207 (1917)

Distribution: Chile (SC-Chile)

85 CLE

Remarks: provisionally accepted name

species :

Dioscorea iquitosensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 94 (1931)

Distribution: Peru

83 PER

species :

Dioscorea irodensis Wilkin, Rajaonah & Randriamb.; Kew Bull. 72(1)-15: 2 (2017)

Distribution: Madagascar

29 MDG

species :

Dioscorea irupanensis R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 160 (1932)

Distribution: Bolivia (La Paz)

83 BOL

Conservation Status: known only from type

species :

Dioscorea itapirensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 190 (1917)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea itatiensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 212 (1917)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea jaliscana S.Watson; Proc. Amer. Acad. Arts 22: 438 (1887)

Distribution: Mexico (Chihuahua, Colima, Durango, Guerrero, Jalisco, Mexico State, Michoacán, Nayarit, Oaxaca, Queretaro, San Luis Potosi, Sinaloa, Sonora, Tamaulipas, Veracruz, Zacatecas)

79 MEX

Synonyms: hidden

= Dioscorea hirsuticaulis C.B.Rob.; Proc. Amer. Acad. Arts 29: 324 (1894)

species :

Dioscorea jamesonii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 75 (1924)

Distribution: Ecuador

83 ECU

species :

Dioscorea japonica Thunb.; Nova Acta Regiae Soc. Sci. Upsal. 4: 39 (1783), Thunb. Fl. Jap. 151 (1784)

Distribution: China (Anhui, Fujian, North Korea, South Korea, Guangdong, Guangxi, S-Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Zhejiang); Japan (Honshu, Shikoku, Kyushu); Ryukyu Isl.; Bonin Isl. [I] (Chichijima [I]); Taiwan; Myanmar; Laos

36 CHI 38 JAP NNS oga TAI 41 LAO MYA

Synonyms: hidden

= Dioscorea belophylloides Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 448 (1908)

= Dioscorea fauriei R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 263 (1924)

= Dioscorea goeringiana Kunth; Enum. Pl. [Kunth] 5: 402 (1850)

= Dioscorea japonica var. formosensis Masam. & Suzuki; Rep. (Annual) Taihoku Bot. Gard. 3: 74 (1933)

= Dioscorea japonica var. tenuiaxon Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 28 (1914)

= Dioscorea japonica var. vera Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 28 (1914)

= Dioscorea kiangsiensis R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 80 (1925)

variant :

var. nagarum Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 259 (1939)

Distribution: India (Nagaland)

40 IND

variant :

var. oldhamii Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 263 (1924)

Distribution: China (Guangdong, Guangxi); Taiwan

36 CHI 38 TAI

variant :

var. pilifera C.T.Ting & M.C.Chang; Acta Phytotax. Sin. 20(2): 206 (1982)

Distribution: China (S-Anhui, Fujian, NE-Guangxi, E-Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Zhejiang)

36 CHI

species :

Dioscorea javariensis Ayala; Dioscoreaceae Peru 33 (1998)

Distribution: Peru

83 PER

species :

Dioscorea juxtlahuacensis (O.Téllez & Davila) Caddick & Wilkin; Taxon 51: 112 (2002)

Distribution: Mexico (Guerrero, Oaxaca)

79 MEX

Synonyms: hidden

= Nanarepenta juxtlahuacensis O.Téllez & Dávila; Novon 8(2): 210 (1998)

species :

Dioscorea kalkapershadii Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 24 (1914)

Distribution: India (Bihar, Odisha, Tamil Nadu); Bangladesh

40 BAN IND

Remarks: sometimes listed as an hybrid

species :

Dioscorea kamoonensis Kunth; Enum. Pl. [Kunth] 5: 395 (1850)

Distribution: China (Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan, Yunnan, S-Zhejiang); Tibet; Nepal; Bhutan; India (Arunachal Pradesh, Assam, Himachal Pradesh, Meghalaya, Nagaland, Sikkim, Uttar Pradesh, West Bengal); Bangladesh; Myanmar; Thailand (N-Thailand, E-Thailand); Laos; Vietnam; Lesser Sunda Isl.

36 CHI TIB 40 BAN BHU IND NEP 41 LAO MYA THA VIE 42 LSI

Synonyms: hidden

= Dioscorea bonatiana Prain & Burkill; Bull. Misc. Inform. Kew 1925: 61 (1925)

= Dioscorea brevifolia (Prain & Burkill) K.Y.Guan & D.F.Chamb.; Edinburgh J. Bot. 49(1): 86 (1992)

= Dioscorea dissecta R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 355 (1924)

= Dioscorea fargesii Franch.; Rev. Hort. (Paris) 68: 540 (1896)

= Dioscorea firma R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 141 (1924)

= Dioscorea kamoonensis var. brevifolia Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14(1): 148 (1936)

= Dioscorea kamoonensis var. fargesii (Franch.) Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 21 (1914)

= Dioscorea kamoonensis var. praecox Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14(1): 148 (1936)

= Dioscorea kamoonensis var. straminea Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 21 (1914)

= Dioscorea kamoonensis var. vera Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14(1): 149 (1936)

= Dioscorea mairei R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 144 (1924) (non H. Lév. (1913))

= Dioscorea ochroleuca K.Y.Guan & D.F.Chamb.; Edinburgh J. Bot. 49: 85 (1992)

= Dioscorea subfusca R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 143 (1924)

variant :

var. straminea Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 12 (1914)

Distribution: India (Arunachal Pradesh, Assam, Meghalaya, Nagaland)

40 IND

Synonyms: hidden

= Dioscorea mengtzeana R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 142 (1924)

species :

Dioscorea keduensis Burkill ex Backer; Handb. Fl. Java 3: 114 (1924), Prain & Burkill in Bull. Misc. Inform. Kew 59 (1925)

Distribution: SW-Sulawesi; C-Java

42 JAW SUL

Synonyms: hidden

= Dioscorea keduensis Prain & Burkill; Bull. Misc. Inform. Kew 1925: 59 (1925)

species :

Dioscorea kerrii Prain & Burkill ex Craib; Bull. Misc. Inform. Kew 1912: 407 (1912), nomen, Prain & Burkill in J. & Proc. As. Soc. Beng. 1914, n. s. 10: 20, descr.

Distribution: N-Thailand

41 THA

species :

Dioscorea killipii R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 345 (1926)

Distribution: Colombia (Antioquia, Valle); Peru

82 CLM 83 PER

species :

Dioscorea kimiae Wilkin; Kew Bull. 63(4): 588 (2009)

Distribution: Madagascar

29 MDG

species :

Dioscorea kingii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 289 (1924)

Distribution: Thailand; peninsular Malaysia (Penang)

41 THA 42 MLY

Synonyms: hidden

= Dioscorea harrissii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 352 (1924)

= Dioscorea nurii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 352 (1924)

= Dioscorea porteri Prain & Burkill ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 352 (1924), et ex Ridl., Fl. Malay Penins. 4: 318 (1924)

species :

Dioscorea kituiensis Wilkin & Muasya; Syst. Bot. 34(4): 653 (2009)

Distribution: Kenya

25 KEN

species :

Dioscorea kjellbergii R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 128 (1934)

Distribution: Sulawesi

42 SUL

species :

Dioscorea knuthiana De Wild.; Bull. Jard. Bot. État Bruxelles 4: 354 (1914)

Distribution: D.R.Congo [Zaire]

23 ZAI

species :

Dioscorea koepperi Standl.; Publ. Field Mus. Nat. Hist., Bot. Ser. 9: 269 (1940)

Distribution: Honduras

80 HON

species :

Dioscorea koyamae Jayas.; Brittonia 42(2): 142 (1990)

Distribution: Sri Lanka

40 SRL

species :

Dioscorea kratica Prain & Burkill; Bull. Misc. Inform. Kew 1927: 241 (1927)

Distribution: SE-Thailand; Cambodia; Vietnam

41 CBD THA VIE

species :

Dioscorea kuntzei Uline ex Kuntze; Revis. Gen. Pl. 3(2): 311 (1898)

Distribution: Bolivia (Cochabamba)

83 BOL

Conservation Status: known only from type

species :

Dioscorea lacerdaei Griseb.; Fl. Bras. [Martius] 3(1): 31 (1842)

Distribution: N-Brazil (Pará)

84 BRA

Synonyms: hidden

= Helmia lacerdaei (Griseb.) Kunth; Enum. Pl. [Kunth] 5: 427 (1850)

species :

Dioscorea laevis Uline; Bot. Jahrb. Syst. 22: 425 (1896)

Distribution: Nicaragua; Costa Rica

80 COS NIC

species :

Dioscorea lamprocaula Prain & Burkill; Bull. Misc. Inform. Kew 1933: 245 (1933)

Distribution: peninsular Malaysia (Perak, Pahang, Johor); Sumatra; Java

42 JAW MLY SUM

species :

Dioscorea lanata Balf.f.; Proc. Roy. Soc. Edinburgh 12: 96 (1883)

Distribution: Soqotra

24 SOC

species :

Dioscorea laurifolia Wall. ex Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 293 (1892)

Distribution: India (Arunachal Pradesh, Assam); peninsular Thailand; Vietnam; peninsular Malaysia; Singapore; Borneo; Java

40 IND 41 THA VIE 42 BOR JAW MLY SNG

Synonyms: hidden

= Dioscorea laurifolia Wall.; Numer. List [Wallich] no. 5111 (1831), nomen

= Dioscorea laurifolia var. hookeri R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 289 (1924)

species :

Dioscorea lawrencei R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 118 (1935)

Distribution: Colombia (Boyacá); Venezuela (Tachira); Ecuador

82 CLM VEN 83 ECU

species :

Dioscorea laxiflora Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 32 (1842)

Distribution: Venezuela (Amazonas); Ecuador; Peru; N-Brazil (Pará, Amazonas); NE-Brazil (Ceara, Pernambuco, Bahia, Alagoas); WC-Brazil (Mato Grosso, Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais, Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina)

82 VEN 83 ECU PER 84 BRA

Synonyms: hidden

= Dioscorea calystegioides Kunth; Enum. Pl. [Kunth] 5: 362 (1850)

= Dioscorea laxiflora var. auriculata Griseb.; Fl. Bras. [Martius] 3(1): 33 (1842)

= Dioscorea laxiflora var. calystegioides (Kunth) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 214 (1917)

= Dioscorea laxiflora var. cincinnata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 214 (1917)

= Dioscorea laxiflora var. cissifolia Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 214 (1917)

= Dioscorea laxiflora var. truncata Griseb.; Fl. Bras. [Martius] 3(1): 33 (1842)

= Dioscorea laxiflora var. truncatolanceolata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 214 (1917)

species :

Dioscorea lehmannii Uline; Bot. Jahrb. Syst. 22: 430 (1896)

Distribution: Colombia (Antioquia, Cundinamarca); Venezuela (Trujillo); Ecuador

82 CLM VEN 83 ECU

Synonyms: hidden

= Dioscorea tequendamensis R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 159 (1932)

species :

Dioscorea lepcharum Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 36 (1914)

Distribution: NE-India (Arunachal Pradesh, Assam, Sikkim, West Bengal); Bangladesh; Myanmar

40 BAN IND 41 MYA

Synonyms: hidden

= Dioscorea lepcharum var. bhamoica Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 36 (1914)

species :

Dioscorea lepida C.V.Morton; Publ. Carnegie Inst. Wash., No. 461 (Bot. Maya Area) 248 (1936)

Distribution: Mexico (Chiapas); Guatemala; Honduras; Costa Rica; Panama

79 MEX 80 COS GUA HON PAN

Synonyms: hidden

= Dioscorea racemosa var. hoffmannii Uline; Bot. Jahrb. Syst. 22: 431 (1897)

species :

Dioscorea leptobotrys Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 218 (1917)

Distribution: SE-Brazil (São Paulo)

84 BRA

Synonyms: hidden

= Dioscorea brancae Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 251 (1924) (in syn.)

= Dioscorea heterandra Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 251 (1924) (in syn.)

species :

Dioscorea liebmannii Uline; Bot. Jahrb. Syst. 22: 429 (1896)

Distribution: Mexico (Aguascalientes, Chiapas, Colima, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Sinaloa, Veracruz, Zacatecas); Honduras; ?Nicaragua; Panama

79 MEX 80 HON PAN

species :

Dioscorea lijiangensis C.L.Long & Y.H.Li; Ann. Bot. Fenn. 37(3): 193 (2000)

Distribution: China (Yunnan)

36 CHI

species :

Dioscorea linearicordata Prain & Burkill; Bull. Misc. Inform. Kew 1925: 61 (1925)

Distribution: China (Guangdong, E-Guangxi, Hunan); Laos

36 CHI 41 LAO

species :

Dioscorea lisae Dorr & Stergios; Sida 20: 1007 (2003)

Distribution: Venezuela (Trujillo)

82 VEN

species :

Dioscorea listeri Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 452 (1908)

Distribution: India (Arunachal Pradesh, Assam, Nagaland)

40 IND

species :

Dioscorea litoralis Phil.; Linnaea 29: 64 (1857 publ. 1858)

Distribution: Chile (Valparaíso, Biobío)

85 CLE

species :

Dioscorea lobata Uline; Bot. Jahrb. Syst. 22: 427 (1896)

Distribution: Mexico (Guanajuato, Queretaro, Michoacán, Morelos, Guerrero); Honduras

79 MEX 80 HON

species :

Dioscorea loefgrenii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 187 (1917)

Distribution: SE-Brazil (Minas Gerais, São Paulo)

84 BRA

species :

Dioscorea loheri Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 33 (1914)

Distribution: Philippines (Luzon)

42 PHI

Synonyms: hidden

= Dioscorea wilkesii Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 271 (1924)

species :

Dioscorea longicuspis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 11: 1059 (1934)

Distribution: Tanzania

25 TAN

Synonyms: hidden

= Dioscorea schimperana var. nigrescens Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 256 (1924)

species :

Dioscorea longipedicellata Hoque, Lakshmin. & D.Maity; Phytotaxa 367(2): 175 (2018)

Distribution: India (Assam, Meghalaya); Bangladesh

40 BAN IND

species :

Dioscorea longipes Phil.; Anales Univ. Chile 93: 6 (1896)

Distribution: Chile (Maule, Araucanía)

85 CLE

species :

Dioscorea longirhiza Caddick & Wilkin; Taxon 51: 112 (2002), nom. nov.

Distribution: Mexico (Guerrero, Oaxaca)

79 MEX

Synonyms: hidden

= Nanarepenta guerrerensis Matuda; Cact. Suc. Mex. 19(3): 70 (1974)

species :

Dioscorea longituba Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 86 (1897)

Distribution: Mexico (Guerrero, Mexico State, Michoacán, Nayarit)

79 MEX

species :

Dioscorea lundii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 198 (1917)

Distribution: SE-Brazil (São Paulo, Rio de Janeiro)

84 BRA

species :

Dioscorea luzonensis Schauer; Nova Acta Acad. Caes. Leop.-Carol. German. Nat. Cur. 19: Suppl. 1: 444 (1843)

Distribution: Palawan; Philippines (Luzon)

42 PHI PLW

species :

Dioscorea macbrideana R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 87 (1930)

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea ramonensis R.Knuth; Repert. Spec. Nov. Regni Veg. 39: 95 (1935)

species :

Dioscorea maciba Jum. & H.Perrier; Compt. Rend. Hebd. Séances Acad. Sci. 149: 486 (1909)

Distribution: Madagascar

29 MDG

species :

Dioscorea macrantha Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 198 (1917)

Distribution: S-Brazil (Santa Catarina)

84 BRA

species :

Dioscorea macrothyrsa Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 87 (1897)

Distribution: ?Guyana; NE-Brazil (Bahia)

84 BRA

species :

Dioscorea macvaughii B.G.Schub.; Fl. Novo-Galiciana 15: 369 (1989)

Distribution: Mexico (Jalisco, Nayarit, Zacatecas)

79 MEX

species :

Dioscorea madecassa H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 24 (1928)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea karatana Wilkin; Kew Bull. 55(2): 427 (2000)

= Dioscorea knuthii H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 32 (1928)

species :

Dioscorea madiunensis Prain & Burkill; Bull. Misc. Inform. Kew 1925: 63 (1925)

Distribution: Java

42 JAW

Synonyms: hidden

= Dioscorea gedensis Prain & Burkill; Bull. Misc. Inform. Kew 1925: 64 (1925)

species :

Dioscorea magnibracteata T.Clayton ex R.Couto & Cornejo; Phytotaxa 542(3): 294 (2022)

Distribution: Ecuador

83 ECU

species :

Dioscorea maianthemoides Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 188 (1917)

Distribution: WC-Brazil (Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea mamillata Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 422 (1910)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea perpilosa H.Perrier; Notul. Syst. (Paris) 12: 206 (1946)

species :

Dioscorea mangenotiana J.Miège; Bull. Inst. Franç. Afrique Noire, A 20: 40 (1958)

Distribution: Guinea-Bissau; Sierra Leone; Liberia; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]

22 BEN GHA GNB IVO LBR NGA SIE TOG 23 CAF CMN CON ZAI

species :

Dioscorea manicorensis Clayton; sp. nov. ined.

Distribution: Surinam; French Guiana

82 FRG SUR

species :

Dioscorea mantigueirensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 192 (1917)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea margarethia G.M.Barroso, E.F.Guim. & Sucre; Loefgrenia 49: 2 (1970)

Distribution: SE-Brazil (Minas Gerais, Rio de Janeiro)

84 BRA

species :

Dioscorea marginata Griseb.; Fl. Bras. [Martius] 3(1): 37 (1842)

Distribution: Colombia (Antioquia, Santander); N-Brazil (Amazonas); NE-Brazil (Maranhao, Bahia, Alagoas); WC-Brazil (Goiás); SE-Brazil (Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina)

82 CLM 84 BRA

Synonyms: hidden

= Dioscorea albinervia R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 74 (1924)

= Dioscorea cynanchifolia Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 156 (1875)

= Dioscorea spicata (Vell.) Pedralli; Bol. Bot. Univ. São Paulo 20: 111 (2002), nom. illeg.

species :

Dioscorea martensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 214 (1917)

Distribution: Colombia (Cesar, Magdalena)

82 CLM

species :

Dioscorea martiana Griseb.; Fl. Bras. [Martius] 3(1): 44 (1842)

Distribution: NE-Brazil (Alagoas, Ceara, Pernambuco); WC-Brazil (Mato Grosso); SE-Brazil (São Paulo, Rio de Janeiro); S-Brazil (Paraná)

84 BRA

Synonyms: hidden

= Dioscorea fluminensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 210 (1917)

= Dioscorea leptostachya Gardner; London J. Bot. 1: 534 (1842)

= Dioscorea martiana var. caudata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 218 (1924)

= Dioscorea martiana var. leptostachya (Gardner) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 208 (1917)

= Dioscorea martiana var. pedicellata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 218 (1924)

= Dioscorea micrantha Kunth; Enum. Pl. [Kunth] 5: 327 (1850)

species :

Dioscorea martini Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 18 (1914)

Distribution: China (Guizhou, Yunnan, Sichuan)

36 CHI

species :

Dioscorea matagalpensis Uline; Bot. Jahrb. Syst. 22: 432 (1896)

Distribution: Mexico (Campeche, Chiapas, Quintana Roo, Tabasco, Yucatan); Guatemala; Belize; Honduras; Nicaragua; Costa Rica; Panama

79 MEX 80 BLZ COS GUA HON NIC PAN

Synonyms: hidden

= Dioscorea yucatanensis Uline; Publ. Field Columbian Mus., Bot. Ser. 1: 16 (1895)

species :

Dioscorea matudae O.Téllez & B.G.Schub.; Ann. Missouri Bot. Gard. 74(3): 539 (1987)

Distribution: Mexico (Hidalgo, Queretaro, San Luis Potosi)

79 MEX

species :

Dioscorea mayottensis Wilkin; Adansonia, Sér. 3, 29(2): 221 (2007)

Distribution: Comores (Mayotte)

29 COM

species :

Dioscorea medusae F.Fraga, R.Couto & J.M.A.Braga; Phytotaxa 403(2): 132 (2019)

Distribution: Brazil (Espírito Santo)

84 BRA

species :

Dioscorea megacarpa Gleason; Bull. Torrey Bot. Club 52: 184 (1925)

Distribution: Guyana; Surinam; French Guiana; Ecuador

82 FRG GUY SUR 83 ECU

Synonyms: hidden

= Dioscorea truncata R.H.Schomb. ex Prain; Bull. Misc. Inform. Kew 1916: 194 (1916) (non Miq. (1844))

species :

Dioscorea megalantha Griseb.; Abh. Königl. Ges. Wiss. Göttingen 24: 323 (1879)

Distribution: Peru; Argentina (Catamarca, Santiago del Estero, Tucuman)

83 PER 85 ARG

Synonyms: hidden

= Dioscorea lilloi (Hauman) Hauman; Anales Mus. Nac. Buenos Aires 29: 431 (1917)

= Dioscorea megalantha var. lilloi Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 474 (1915)

species :

Dioscorea megaphylla Ram.-Amezcua, O.Téllez & V.W.Steinm.; Bot. Sci. 90(4): 381 (2012)

Distribution: Mexico (Michoacán)

79 MEX

species :

Dioscorea melanophyma Prain & Burkill ex Duthie; [Cat. Pl. Kumaon 186 (1906), nomen] J. Proc. Asiat. Soc. Bengal, n. s. 4: 452 (1908)

Distribution: China (Guizhou, Sichuan, Yunnan); E-Tibet; Nepal; Bhutan; India (Arunachal Pradesh, Himachal Pradesh, Jammu & Kashmir, Meghalaya, Sikkim, Uttar Pradesh); Bangladesh

36 CHI TIB 40 BAN BHU IND NEP

Synonyms: hidden

= Dioscorea himalaica Hook.f. ex Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 143 (1936) (in syn.)

= Dioscorea tenii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 142 (1924)

species :

Dioscorea melastomatifolia Uline ex Prain; Bull. Misc. Inform. Kew 1916: 194 (1916)

Distribution: French Guiana; Bolivia (Santa Cruz); N-Brazil (Pará)

82 FRG 83 BOL 84 BRA

species :

Dioscorea membranacea Pierre ex Craib; Bull. Misc. Inform. Kew 1912: 407 (1912) nomen, Prain & Burkill in J. & Proc. As. Soc. Beng. 1914, n. s. 10: 13, descr.

Distribution: Myanmar; Thailand; Laos; Cambodia; Vietnam; N-peninsular Malaysia

41 CBD LAO MYA THA VIE 42 MLY

species :

Dioscorea menglaensis H.Li; Fl. Yunnan. 3: 744 (1983)

Distribution: China (W-Yunnan)

36 CHI

species :

Dioscorea meridensis Kunth; Enum. Pl. [Kunth] 5: 334 (1850)

Distribution: Colombia (Antioquia, Caldas, Chocó, Cundinamarca); Venezuela (Merida, Tachira); Ecuador; Peru

82 CLM VEN 83 ECU PER

species :

Dioscorea merrillii Prain & Burkill; Leafl. Philipp. Bot. 5: 1598 (1913)

Distribution: Philippines (Mindanao, Mindoro)

42 PHI

species :

Dioscorea mesoamericana O.Téllez & Mart.-Rodr.; Novon 3(2): 204 (1993)

Distribution: Mexico (Chiapas, Oaxaca)

79 MEX

species :

Dioscorea mexicana Scheidw.; Hort. Belge 4: 99 (1837)

Distribution: Mexico (Campeche, Chiapas, Colima, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacán, Nuevo León, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tabasco, Veracruz, Yucatan, Zacatecas); Guatemala; Belize; El Salvador; Honduras; Nicaragua; Costa Rica; Panama; Colombia (Bolívar)

79 MEX 80 BLZ COS ELS GUA HON NIC PAN 82 CLM

Synonyms: hidden

= Dioscorea anconensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 82 (1930)

= Dioscorea astrostigma Uline; Bot. Jahrb. Syst. 22: 431 (1896)

= Dioscorea billbergiana Kunth; Enum. Pl. [Kunth] 5: 354 (1850)

= Dioscorea deamii Matuda; Anales Inst. Biol. Univ. Nac. México 24: 60 (1953)

= Dioscorea deppei Schiede ex Schltdl.; Bot. Zeitung (Berlin) 1: 890 (1843)

= Dioscorea leiboldiana Kunth; Enum. Pl. [Kunth] 5: 355 (1850)

= Dioscorea macrophylla M.Martens & Galeotti; Bull. Acad. Roy. Sci. Bruxelles 9(2): 392 (1842)

= Dioscorea macrostachya Benth.; Pl. Hartw. [Bentham] 73 (1841)

= Dioscorea macrostachya var. sessiliflora Uline; Bot. Jahrb. Syst. 22: 424 (1897)

= Dioscorea mexicana var. sessiliflora (Uline) Matuda; Anales Inst. Biol. Univ. Nac. México 24: 285 (1954)

= Dioscorea propinqua Hemsl.; Biol. Centr.-Amer., Bot. 3: 359 (1884)

= Dioscorea tuerckheimii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 203 (1917)

= Testudinaria cocolmeca Procop.; Bot. Centralbl. 49: 201 (1892)

= Testudinaria macrostachya (Benth.) G.D.Rowley; Natl. Cact. Succ. J. 28(1): 6 (1973)

species :

Dioscorea microbotrya Griseb.; Abh. Königl. Ges. Wiss. Göttingen 24: 322 (1879)

Distribution: S-Brazil (Paraná); Uruguay (Paysandu, Rio Negro, Soriano, Tacuarembo); Argentina (Catamarca, Chaco, Corrientes, Entre Rios, Formosa, Misiones, Salta, Santiago del Estero, Santa Fe, Tucuman)

84 BRA 85 ARG URU

Synonyms: hidden

= Dioscorea filirachis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 128 (1924) (in syn.)

= Dioscorea gibertii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 58 (1924)

= Dioscorea microbotrya var. grandifolia Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 464 (1915)

= Dioscorea tweediei R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 58 (1924)

species :

Dioscorea microcephala Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 85 (1897)

Distribution: S-Brazil (Rio Grande do Sul)

84 BRA

species :

Dioscorea microflora Raz; Phytotaxa 258(1): 36 (2016), nom. nov.

Distribution: Hispaniola (Haiti)

81 HIS

Synonyms: hidden

= Rajania angustifolia Sw.; Prodr. Veg. Ind. Occ. [O.P.Swartz] 59 (1788)

= Rajania minutiflora Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 221 (1917)

species :

Dioscorea microphylla (Kunth) Greuter & J.Pérez; Espermat. Cuba Invent. Prelim. 2: 398 (2016)

Name: Small rajania, Wild yam (Bahamas), Name cimarron, Name de monte (Cuba)

Distribution: Bahamas; Cuba

81 BAH CUB

Synonyms: hidden

= Dioscorea bahamensis (R.Knuth) Raz; Phytotaxa 258: 29 (2016), nom. superfl.

= Rajania bahamensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

= Rajania microphylla Kunth; Enum. Pl. [Kunth] 5: 451 (1850)

= Rajania prestoniensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 337 (1924)

= Rajania urbaniana R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

species :

Dioscorea microura R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 196 (1917)

Distribution: Guyana

82 GUY

species :

Dioscorea mindanaensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 271 (1924)

Distribution: Philippines (Mindanao)

42 PHI

species :

Dioscorea minima Robins. & Seaton; Proc. Amer. Acad. Arts 28: 115 (1893)

Distribution: Mexico (Colima, Durango, Guerrero, Jalisco, Michoacán, Nayarit, Oaxaca, Queretaro, Sinaloa, Zacatecas)

79 MEX

Synonyms: hidden

= Dioscorea pumila Sessé & Moç.; Fl. Mexic., ed. 2: 231 (1894)

species :

Dioscorea minutiflora Engl.; Bot. Jahrb. Syst. 7: 332 (1886), et 15: 146 (err cal. multiflora) t. 8

Distribution: Senegal; Guinea; Sierra Leone; Liberia; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; São Tomé; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; Cabinda; D.R.Congo [Zaire]; Uganda; Madagascar [I]; Comores [I]

22 BEN BKN GHA GUI IVO LBR NGA SEN SIE TOG 23 BIO CAB CAF CMN CON EQG GAB SAO ZAI 25 UGA 29 com mdg

Synonyms: hidden

= Dioscorea acarophyta De Wild.; Compt. Rend. Hebd. Séances Acad. Sci. 139: 552 (1904)

= Dioscorea armata De Wild.; Bull. Jard. Bot. État Bruxelles 4: 339 (1914)

= Dioscorea brevispicata De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 358 (1912)

= Dioscorea ealensis De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 359 (1912)

= Dioscorea ekolo De Wild.; Bull. Jard. Bot. État Bruxelles 4: 341 (1914)

= Dioscorea engbo De Wild.; Bull. Jard. Bot. État Bruxelles 4: 342 (1914)

= Dioscorea grandebulbosa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 304 (1924)

= Dioscorea hystrix R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 304 (1924)

= Dioscorea lilela De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 365 (1912)

= Dioscorea litoie De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 364 (1912)

= Dioscorea pendula R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 305 (1924)

= Dioscorea praehensilis var. minutiflora (Engl.) Baker; Fl. Trop. Afr. [Oliver et al.] 7: 417 (1898)

= Dioscorea pynaertioides De Wild.; Bull. Jard. Bot. État Bruxelles 4: 314 (1914)

species :

Dioscorea mitis C.V.Morton; Publ. Carnegie Inst. Wash., No. 461 (Bot. Maya Area) 247 (1936)

Distribution: Mexico (Colima, Jalisco, Michoacán)

79 MEX

species :

Dioscorea mitoensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 84 (1930)

Distribution: Peru

83 PER

species :

Dioscorea modesta Phil.; Linnaea 33: 256 (1864 publ. 1865)

Distribution: Chile (Valparaíso, Metropolitana de Santiago, Maule)

85 CLE

Synonyms: hidden

= Dioscorea aristolochiifolia var. parvifolia (Phil.) L.E.Navás; Anales Acad. Chilena Ci. Nat. 1968: 55 (1968)

= Dioscorea parvifolia Phil.; Anales Univ. Chile 93: 8 (1896)

species :

Dioscorea mollis Kunth; Enum. Pl. [Kunth] 5: 369 (1850)

Distribution: SE-Brazil (Espirito Santo, São Paulo, Rio de Janeiro); S-Brazil (Santa Catarina)

84 BRA

Synonyms: hidden

= Dioscorea pachycarpa Kunth; Enum. Pl. [Kunth] 5: 370 (1850)

= Dioscorea mollis var. pachycarpa (Kunth) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 201 (1917)

species :

Dioscorea monadelpha (Kunth) Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 164 (1875)

Distribution: Peru; Bolivia (Cochabamba, La Paz, Santa Cruz); NE-Brazil (Bahia); SE-Brazil (Minas Gerais, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina, Rio Grande do Sul); Uruguay (Rivera, Tacuarembo)

83 BOL PER 84 BRA 85 URU

Synonyms: hidden

= Dioscorea friesii R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 77 (1925)

= Dioscorea herzogii R.Knuth; Meded. Rijks-Herb. 29: 56 (1916)

= Dioscorea lagoa-santa Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 201 (1917)

= Dioscorea longirachis R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 159 (1932)

= Dioscorea monadelphoides J.F.Macbr.; Publ. Field Mus. Nat. Hist., Bot. Ser. 11: 12 (1931), nom. illeg.

= Dioscorea monadelphoides var. longirachis (R.Knuth) Ayala; Dioscoreaceae Peru 38 (1998)

= Dioscorea similis R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 78 (1925)

= Helmia monodelpha Kunth; Enum. Pl. [Kunth] 5: 421 (1850)

species :

Dioscorea morelosana (Uline) Matuda; Anales Inst. Biol. Univ. Nac. México 24: 61 (1953)

Distribution: Mexico (Colima, Guerrero, Jalisco, Mexico State, Michoacán, Morelos)

79 MEX

Synonyms: hidden

= Dioscorea lobata var. morelosana Uline; Proc. Amer. Acad. Arts 35: 323 (1900)

species :

Dioscorea moritziana R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 197 (1917)

Distribution: Venezuela (Merida); Ecuador

82 VEN 83 ECU

Synonyms: hidden

= Helmia moritziana Kunth; Enum. Pl. [Kunth] 5: 422 (1850)

species :

Dioscorea mosqueirensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 92 (1931)

Distribution: N-Brazil (Pará)

84 BRA

species :

Dioscorea moultonii Prain & Burkill; Bull. Misc. Inform. Kew 1925: 62 (1925)

Distribution: Borneo

42 BOR

species :

Dioscorea moyobambensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 185 (1917)

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea tambillensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 81 (1930)

species :

Dioscorea mucronata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 188 (1917)

Distribution: NE-Brazil (Ceara)

84 BRA

species :

Dioscorea multiflora Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 35 (1842)

Distribution: N-Brazil (Pará, Tocantins); NE-Brazil (Bahia); WC-Brazil (Mato Grosso, Goiás); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Alto Paraná, Caaguazu, Central, Concepcion, Cordillera, Guaira, Itapua, Paraguari); Uruguay (Artigas, Salto); Argentina (Corrientes, Misiones)

84 BRA 85 ARG PAR URU

Synonyms: hidden

= Dioscorea concepcionis Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1111 (1903)

= Dioscorea macrocapsa Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 83 (1897) (non Wall.)

= Dioscorea multiflora var. asuncionensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 190 (1917)

= Dioscorea multiflora var. concepcionis (Chodat & Hassl.) Pellegr.; Bull. Soc. Bot. Genève, Sér. 2, 10: 384 (1919)

= Dioscorea multiflora var. loefgrenii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 190 (1917)

= Dioscorea multiflora var. parvifolia Griseb.; Fl. Bras. [Martius] 3(1): 35 (1842)

= Dioscorea niederleinii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 193 (1917)

= Helmia multiflora (Mart. ex Griseb.) Kunth; Enum. Pl. [Kunth] 5: 481 (1850)

species :

Dioscorea multiloba Kunth; Enum. Pl. [Kunth] 5: 376 (1850)

Distribution: South Africa (KwaZulu-Natal, E-Cape Prov.); Eswatini [Swaziland]

27 SAF SWZ

Synonyms: hidden

= Dioscorea digitaria R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 184 (1924)

= Dioscorea natalensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 94 (1924)

species :

Dioscorea multinervis Benth.; Pl. Hartw. [Bentham] 52 (1840)

Distribution: Mexico (Chihuahua, Colima, Durango, Guanajuato, Jalisco, Mexico State, Michoacán, Nayarit, Jalisco, Michoacán, México State, Oaxaca, Sinaloa, Zacatecas)

79 MEX

Synonyms: hidden

= Dioscorea nana Schltdl.; Linnaea 18: 112 (1844), nom. illeg.

= Dioscorea schlechtendalii Kunth; Enum. Pl. [Kunth] 5: 411 (1850)

= Dioscorea tolucana (Matuda) Caddick & Wilkin; Taxon 51: 112 (2002)

= Nanarepenta tolucana Matuda; Anales Inst. Biol. Univ. Nac. México 32: 144 (1962)

species :

Dioscorea multispicata R.Knuth; Meded. Rijks-Herb. 29: 55 (1916)

Distribution: Bolivia (Cochabamba, Santa Cruz); SE-Brazil (Minas Gerais); Paraguay (Amambay); Argentina (Jujuy, Salta)

83 BOL 84 BRA 85 ARG PAR

species :

Dioscorea mundii Baker; J. Bot. 27: 1 (1889)

Distribution: Zambia; South Africa (W-Cape Prov., E-Cape Prov.)

26 ZAM 27 SAF

species :

Dioscorea nako H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 30 (1928)

Distribution: Madagascar

29 MDG

species :

Dioscorea namorokensis Wilkin; Kew Bull. 57: 902 (2002)

Distribution: Madagascar

29 MDG

species :

Dioscorea nana Poepp.; Fragm. Syn. Pl. 12 (1833)

Distribution: Chile (Valparaíso, Maule, Ñuble, Biobío, Araucanía, Los Rios)

85 CLE

species :

Dioscorea nanlaensis H.Li; Fl. Yunnan. 3: 739 (1983)

Distribution: China (Yunnan)

36 CHI

species :

Dioscorea natalia Hammel; Novon 10(4): 378 (2000)

Distribution: Costa Rica

80 COS

species :

Dioscorea neblinensis Maguire & Steyerm.; Mem. New York Bot. Gard. 51: 108 (1989)

Distribution: Venezuela (Amazonas)

82 VEN

species :

Dioscorea nelsonii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 202 (1917)

Distribution: Mexico (Chiapas, Durango, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Sinaloa, Veracruz, Zacatecas); Guatemala; Honduras

79 MEX 80 GUA HON

species :

Dioscorea nematodes Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 193 (1917)

Distribution: Mexico (Colima, Guanajuato, Jalisco)

79 MEX

species :

Dioscorea nervata R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 345 (1926)

Distribution: Colombia (Cauca, Nariño, Quindío); Ecuador; Peru

82 CLM 83 ECU PER

species :

Dioscorea nicolasensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 94 (1931)

Distribution: Ecuador; Peru; Bolivia (Cochabamba, La Paz, Santa Cruz)

83 BOL ECU PER

species :

Dioscorea nieuwenhuisii Prain & Burkill; Bull. Misc. Inform. Kew 1925: 65 (1925)

Distribution: Borneo

42 BOR

species :

Dioscorea nipensis R.A.Howard; J. Arnold Arbor. 28: 119 (1947)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Dioscorea grisebachii Britton ex León; Contr. Ocas. Mus. Hist. Nat. Colegio De La Salle 8: 321 (1946)

= Dioscorea linearis Griseb.; Cat. Pl. Cub. [Grisebach] 251 (1866), nom. illeg.

= Dioscorea montecristina Hadač; Folia Geobot. Phytotax. 5: 430 (1970)

= Dioscorea ravenii Ayala; Phytologia 55(5): 296 (1984), nom. nov.

= Rajania linearis R.A.Howard; J. Arnold Arbor. 28: 118 (1947)

species :

Dioscorea nipponica Makino; Ill. Fl. Japan t. 45 (1891), et ex J. Bot. 29: 383 (1891)

subspecies :

subsp. nipponica

Distribution: Russian Far East (Amur, Khabarovsk, Primorye); China (Anhui, Gansu, Hebei, Heilongjiang, Henan, N-Jiangxi, Jilin, Liaoning, Nei Mongol, Ningxia, S-Qinghai, Shaanxi, Shandong, Shanxi, NW-Sichuan, N-Zhejiang); North Korea; South Korea; Japan (Hokkaido, Honshu)

31 RFE 36 CHI 38 JAP KOR NKO

Synonyms: hidden

= Dioscorea acerifolia Uline ex Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73(2 Suppl.): 7 (1904 publ. 1905)

= Dioscorea giraldii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 315 (1924)

= Dioscorea nipponica var. pubescens Nakai; Bot. Mag. (Tokyo) 30: 274 (1916)

subspecies :

subsp. rosthornii (Prain & Burkill) C.T.Ting; Acta Phytotax. Sin. 17(3): 70 (1979)

Distribution: China (S-Gansu, Guizhou, Hubei, S-Shaanxi)

36 CHI

Synonyms: hidden

= Dioscorea nipponica f. jamesii (Prain & Burkill) Kitag.; J. Jap. Bot. 40: 138 (1965)

= Dioscorea nipponica var. jamesii Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 14 (1914)

= Dioscorea acerifolia var. rosthornii Diels; Bot. Jahrb. Syst. 29: 261 (1900)

= Dioscorea nipponica var. rosthornii (Diels) Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 14 (1914)

species :

Dioscorea nitens Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 18 (1914)

Distribution: China (Yunnan); Thailand

36 CHI 41 THA

Synonyms: hidden

= Dioscorea pseudonitens Prain & Burkill; Bull. Misc. Inform. Kew 1927: 231 (1927)

species :

Dioscorea nuda R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 351 (1924)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea nummularia Lam.; Encycl. [J.Lamarck et al.] 3: 231 (1789)

Distribution: Andaman Isl.; Laos; Vietnam; Borneo; Sulawesi; Philippines (Luzon, Polillo, Leyte, Camiguin, Mindanao, Basilan); Java; Lesser Sunda Isl.; Moluccas; New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch.; Rotuma Isl.; Tonga (´Eua); Fiji [I]; Tuvalu [I]; Marquesas Isl. [I] (Fatu Hiva [I]); Society Isl. (Tahiti); Palau (Babeldaob, Koror, Ngarakabesang, Ulebsechel, Urukthapel, Angaur); Northern Marianas (Asuncion, Pagan, Aguijan); Guam; Fed. States of Micronesia (Yap, Ifalik, Truk, Pohnpei, Kosrae); Marshall Isl. (Jaluit)

41 AND LAO VIE 42 BOR JAW LSI MOL NWG PHI SUL 43 BIS 60 fij ROT TON tuv 61 mrq SCI 62 GUM MIC MRN MRS PLU

Synonyms: hidden

= Dioscorea angulata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 283 (1924)

= Dioscorea glaucoidea R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 284 (1924)

= Dioscorea lufensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 272 (1924)

= Dioscorea nummularia var. lata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 283 (1924)

= Dioscorea palauensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 191 (1924)

= Dioscorea palopoensis R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 128 (1934)

= Dioscorea pirita Nadeaud; Énum. Pl. Tahiti 35 (1873)

= Dioscorea raymundii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 191 (1924)

= Dioscorea seemannii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 34 (1914)

species :

Dioscorea nutans R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 182 (1924)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea oaxacensis Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 86, et in Proc. Amer. Acad. Arts 35: 322

Distribution: Mexico (Oaxaca)

79 MEX

species :

Dioscorea oblonga Gleason; Bull. Torrey Bot. Club 52: 182 (1925)

Distribution: Guyana; Surinam

82 GUY SUR

species :

Dioscorea oblongifolia Rusby; Bull. New York Bot. Gard. 6: 492 (1910)

Distribution: Bolivia (Beni, La Paz, Pando)

83 BOL

species :

Dioscorea obtusifolia Hook. & Arn.; Bot. Beechey Voy. 48 (1830)

Distribution: Chile (Metropolitana de Santiago)

85 CLE

Synonyms: hidden

= Dioscorea obtusifolia var. philippii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 205 (1917)

species :

Dioscorea olfersiana Klotzsch ex Griseb.; Fl. Bras. [Martius] 3(1): 38 (1842)

Distribution: Peru; WC-Brazil; SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina)

83 PER 84 BRA

Synonyms: hidden

= Dioscorea catharinensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 213 (1917), nom. illeg.

species :

Dioscorea oligophylla Phil.; Linnaea 33: 255 (1864 publ. 1865)

Distribution: Chile (Valparaíso, Metropolitana de Santiago)

85 CLE

species :

Dioscorea omiltemensis O.Téllez; Novon 12: 441 (2002)

Distribution: Mexico (Guerrero)

79 MEX

species :

Dioscorea opaca R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 283 (1924)

Distribution: New Guinea (Papua New Guinea)

42 NWG

Synonyms: hidden

= Dioscorea carrii R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 163 (1937)

= Dioscorea morobeensis R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 164 (1937)

species :

Dioscorea oppositiflora Griseb.; Fl. Bras. [Martius] 3(1): t. 46 (1842)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea oppositifolia L.; Sp. Pl. [Linnaeus] 2: 1033 (1753)

Distribution: India (Andhra Pradesh, Bihar, Goa, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Odisha, Rajasthan, Tamil Nadu, West Bengal, Uttarakhand); Sri Lanka; Bangladesh; Myanmar

40 BAN IND SRL 41 MYA

Synonyms: hidden

= Dioscorea opposita Thunb.; Fl. Jap. [Thunberg] 151 (1784)

= Dioscorea oppositifolia var. linnaei Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 30 (1914)

= Dioscorea oppositifolia var. thwaitesii Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 30 (1914)

species :

Dioscorea orangeana Wilkin; Kew Bull. 64(3): 462 (461-468, figs., map) (2009)

Distribution: Madagascar

29 MDG

species :

Dioscorea orbiculata Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 292 (1892)

Distribution: peninsular Malaysia; Sumatra

42 MLY SUM

species :

Dioscorea oreodoxa B.G.Schub.; Fl. Novo-Galiciana 15: 378 (1989)

Distribution: Mexico (Colima, Jalisco)

79 MEX

species :

Dioscorea organensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 106 (1924)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea orientalis (J.Thiébaut) Caddick & Wilkin; Taxon 51: 112 (2002)

Distribution: Lebanon (C-Lebanon, coastal W-Lebanon); Syria (W-Syrian Mountains); Israel

34 ISR LEB SYR

Synonyms: hidden

= Tamus orientalis J.Thiébaut; Bull. Soc. Bot. France 81: 119 (1934)

species :

Dioscorea orizabensis Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 86 (1897)

Distribution: Mexico (Colima, Jalisco, Puebla, Veracruz)

79 MEX

species :

Dioscorea orthogoneura Uline ex Hochr.; Bull. New York Bot. Gard. 6: 267 (1910)

Distribution: Venezuela; Guyana; Bolivia (Cochabamba); NE-Brazil (Maranhao); WC-Brazil (Mato Grosso, Goiás, Brasilia Distrito Federal); SE-Brazil (Minas Gerais)

82 GUY VEN 83 BOL 84 BRA

Synonyms: hidden

= Dioscorea orthogoneura var. acutissima Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

= Dioscorea orthogoneura var. brevispicata Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

= Dioscorea orthogoneura var. meiapontensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 216 (1917)

species :

Dioscorea oryzetorum Prain & Burkill; Bull. Misc. Inform. Kew 1927: 242 (1927)

Distribution: peninsular Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia

41 CBD LAO THA VIE 42 MLY

Synonyms: hidden

= Dioscorea oryzetorum var. angustifolia Prain & Burkill; Bull. Misc. Inform. Kew 1927: 243 (1927)

species :

Dioscorea ovalifolia R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 200 (1917)

Distribution: Bolivia (La Paz)

83 BOL

species :

Dioscorea ovata Vell.; Fl. Flumin. 10: t. 117 (1825 publ. 1829)

Distribution: Ecuador; NE-Brazil (Bahia, Alagoas); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul); Paraguay (Alto Paraná, Central, Concepcion, Cordillera, Paraguari)

83 ECU 84 BRA 85 PAR

Synonyms: hidden

= Dioscorea adenocarpa Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 29 (1842)

= Dioscorea adenocarpa var. balansae Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 54 (1924)

= Dioscorea adenocarpa var. chartacea Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 54 (1924)

= Helmia adenocarpa (Mart. ex Griseb.) Kunth; Enum. Pl. [Kunth] 5: 425 (1850)

species :

Dioscorea ovinala Baker; J. Bot. 20: 269 (1882)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea velutina Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 420 (1910)

species :

Dioscorea palawana Prain & Burkill; Bull. Misc. Inform. Kew 1925: 59 (1925)

Distribution: Palawan

42 PLW

species :

Dioscorea paleata Burkill; Bull. Jard. Bot. État Bruxelles 15: 360 (1939)

Distribution: +D.R.Congo [Zaire]

23 ZAI

Conservation Status: only known from type collected in 1929

species :

Dioscorea pallens Schltdl.; Linnaea 17: 610 (1843)

Distribution: Mexico (Puebla, San Luis Potosi, Tamaulipas, Veracruz)

79 MEX

Synonyms: hidden

= Dioscorea polygonoides M.Martens & Galeotti; Bull. Acad. Roy. Sci. Bruxelles 9(2): 393 (1842), nom. illeg.

species :

Dioscorea pallidinervia R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 75 (1924)

Distribution: S-Brazil (Paraná)

84 BRA

species :

Dioscorea palmeri R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 203 (1917)

Distribution: Mexico (Colima, Jalisco, Michoacán, Nayarit)

79 MEX

Synonyms: hidden

= Dioscorea macrostachya var. palmeri (R.Knuth) C.V.Morton; Publ. Carnegie Inst. Wash. 461: 249 (1936)

species :

Dioscorea panamensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 109 (1924)

Distribution: Costa Rica; Panama; Colombia (Guainía); Venezuela (Bolívar)

80 COS PAN 82 CLM VEN

species :

Dioscorea panthaica Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73: Suppl. 6 (1904)

Distribution: China (W-Guizhou, SW-Hubei, NW-Hunan, W-Sichuan, Yunnan); Thailand

36 CHI 41 THA

Synonyms: hidden

= Dioscorea biserialis Prain & Burkill; Bull. Misc. Inform. Kew 1925: 58 (1925)

species :

Dioscorea pantojensis R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 223 (1936)

Distribution: Mexico (Guerrero, Mexico State)

79 MEX

species :

Dioscorea paradoxa Prain & Burkill; Bull. Misc. Inform. Kew 1927: 246 (1927)

Distribution: Thailand; Vietnam

41 THA VIE

species :

Dioscorea pavonii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917). 7: 215 (1917)

Distribution: Peru

83 PER

species :

Dioscorea pedalis (Uline ex R.Knuth) R.Couto & J.M.A.Braga; Syst. Bot. 39(4): 1064 (2014)

Distribution: SE-Brazil (Itatiaia)

84 BRA

Synonyms: hidden

= Dioscorea campestris f. pedalis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 187 (1917)

species :

Dioscorea pedicellata Phil.; Anales Univ. Chile 540 (1873)

Name: Papa cimarrona (Chile)

Distribution: Chile (Coquimbo, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío, Araucanía)

85 CLE

species :

Dioscorea pencana Phil.; Anales Univ. Chile 93: 7 (1896)

Distribution: Chile (Biobío)

85 CLE

species :

Dioscorea pendula Poepp. ex Kunth; Enum. Pl. [Kunth] 5: 367 (1850)

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea amaranthoides var. pendula (Poepp. ex Kunth) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

= Dioscorea amaranthoides var. ulei R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 215 (1917)

species :

Dioscorea pennellii R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 346 (1926)

Distribution: Colombia (Antioquia, Caldas, Cauca, Risaralda)

82 CLM

species :

Dioscorea pentaphylla L.; Sp. Pl. [Linnaeus] 2: 1032 (1753)

Distribution: China (Yunnan, Guangdong, S-Fujian, Guangxi, S-Hunan, S-Jiangxi, Hainan); SE-Tibet; Ryukyu Isl.; Taiwan; Nepal; Bhutan; N-India (almost throughout); Maldives; Sri Lanka; Bangladesh; Bangladesh; Andaman Isl. (North Andamans, Middle Andamans, South Andamans, Little Andaman Isl.); Nicobar Isl. (Car Nicobar Isl., North Nicobars, Central Nicobars, Great Nicobar Isl., Little Nicobar Isl.); Myanmar (Bago, Kachin, Mandalay, Yangon); Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; Sumatra; Borneo; Sulawesi; Philippines (Luzon, Panay); Java; Lesser Sunda Isl. (Bali, etc.); Moluccas (incl. Aru Isl.); New Guinea (Irian Jaya, Papua New Guinea); Bismarck Arch. (New Britain); Solomon Isl.; Australia (Queensland: Thursday Isl.); New Caledonia [I]; Vanuatu [I]; Tonga (Late Isl., Vava´u, Niuafo´ou); Niue; Fiji [I]; [Western] Samoa [I] (´Upolu [I], Savai´i [I]); American Samoa [I] (Tutuila [I], Ta´u [I]); Cook Isl. (Rarotonga, Mangaia, Atiu, Mauke); Marquesas Isl. (Fatu Hiva, Nuku Hiva, Ua Huka, Ua Pou, Hiva Oa, Tahuata); Society Isl. (Tahiti, Mehetia, Huahine, Raiatea, Tahaa); Tuamotu Arch. (Makatea Isl.); Austral Isl. (Tubuai); Palau (Sonsorol); Guam; Fed. States of Micronesia (Yap, Pohnpei); Hawaii [I] (Kauai [I], Oahu [I], Molokai [I], Maui [I], Hawaii Isl. [I]); Cuba [I]

36 CHI TIB 38 NNS TAI 40 BAN BHU IND MDV NEP SRL 41 AND CBD LAO MYA NCB THA VIE 42 BOR JAW LSI MLY MOL NWG PHI SUL SUM 43 BIS SOL 50 AUS 60 asa fij NUE nwc sam TON van 61 AUI COO MRQ SCI TUA 62 GUM MIC PLU 63 haw 81 cub

Remarks: in many areas a pre-European introduction, for example in Polynesia

Synonyms: hidden

= Botryosicyos pentaphyllus (L.) Hochst.; Flora 27(Bes. Beil.): 3 (1844)

= Dioscorea changjiangensis F.W.Xing & Z.X.Li; Acta Bot. Austro Sin. 10: 19, f. 2 (1995)

= Dioscorea codonopsidifolia Kamik.; Trans. Nat. Hist. Soc. Formosa 25: 115 (1935)

= Dioscorea digitata Mill.; Gard. Dict., ed. 8: no. 6 (1768)

= Dioscorea globifera R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 149 (1924)

= Dioscorea jacquemontii Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 296 (1892)

= Dioscorea kleiniana Kunth; Enum. Pl. [Kunth] 5: 394 (1850)

= Dioscorea pentaphylla var. cardonii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 23 (1914)

= Dioscorea pentaphylla var. communis Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 165 (1936)

= Dioscorea pentaphylla var. hortorum Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 168 (1936)

= Dioscorea pentaphylla var. jacquemontii (Hook.f.) Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 167 (1936)

= Dioscorea pentaphylla var. javanica Burkill; Gard. Bull. Straits Settlem. 3: 258 (1924)

= Dioscorea pentaphylla var. kussok Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 168 (1936)

= Dioscorea pentaphylla var. linnaei Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 166 (1936)

= Dioscorea pentaphylla var. malaica Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10(1): 23 (1914)

= Dioscorea pentaphylla var. mollis Hassk.; Flora 25(2, Beibl. 1): 4 (1842)

= Dioscorea pentaphylla var. palmata Burkill; Gard. Bull. Straits Settlem. 3: 258 (1924)

= Dioscorea pentaphylla var. papuana Burkill; Gard. Bull. Straits Settlem. 3: 258 (1924)

= Dioscorea pentaphylla var. rheedei Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 167 (1936)

= Dioscorea pentaphylla var. sacerdotalis Burkill; Gard. Bull. Straits Settlem. 3: 258 (1924)

= Dioscorea pentaphylla var. simplicifolia Prain & Burkill; Ann. Roy. Bot. Gard. (Calcutta) 14: 167 (1936)

= Dioscorea pentaphylla var. suli Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 23 (1914)

= Dioscorea pentaphylla var. thwaitesii Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10(1): 23 (1914)

= Dioscorea pentaphylla var. unifoliata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 146 (1924)

= Dioscorea spinosa Burm.; Fl. Malab. [Burman] 5 (1769), ex Prain & Burkill in Bull. Misc. Inform. Kew 354 (1919) (in adnot.)

= Dioscorea sumbawensis R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 119 (1935)

= Dioscorea triphylla L.; Sp. Pl. [Linnaeus] 2: 1032 (1753)

= Hamatris triphylla (L.) Salisb.; Gen. Pl. [Salisbury] 12 (1866)

= Ubium quadrifarium J.F.Gmel.; Syst. Nat., ed. 13bis: 2(1): 839 (1791)

= Ubium scandens J.St.-Hil.; Expos. Fam. Nat. 1: 106 (1805)

species :

Dioscorea peperoides Prain & Burkill; Leafl. Philipp. Bot. 5: 1597 (1913)

Distribution: Palawan; Philippines (Luzon, Jolo)

42 PHI PLW

Synonyms: hidden

= Dioscorea peperoides var. sagittifolia Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 28 (1914)

= Dioscorea peperoides var. vera Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 28 (1914)

variant :

var. angulata Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 28 (1914)

Distribution: Vietnam

41 VIE

species :

Dioscorea perdicum Taub.; Bot. Jahrb. Syst. 15(Beibl. 34): 13 (1892)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea perenensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 92 (1931)

Distribution: Ecuador; Peru

83 ECU PER

species :

Dioscorea petelotii Prain & Burkill; Bull. Misc. Inform. Kew 1933: 240 (1933)

Distribution: N-Thailand; Vietnam

41 THA VIE

species :

Dioscorea piauhyensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 64 (1924)

Distribution: Bolivia (Santa Cruz); NE-Brazil (Piauí)

83 BOL 84 BRA

species :

Dioscorea pierrei Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 22 (1914)

Distribution: Thailand; Laos; Cambodia; Vietnam; ?peninsular Malaysia

41 CBD LAO THA VIE

species :

Dioscorea pilcomayensis Hauman; Anales Mus. Nac. Buenos Aires 27: 502 (1916)

Distribution: Ecuador; Bolivia (Chuquisaca, Tarija); Paraguay (Alto Paraguay, Amambay, Concepcion, Pres. Hayes); Argentina (Chaco, Formosa, Jujuy, Salta)

83 BOL ECU 85 ARG PAR

Synonyms: hidden

= Dioscorea pedicellata Morong; Ann. New York Acad. Sci. 7: 240 (1893), nom. illeg.

= Dioscorea pellegrinii Hassl. ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 108 (1924), nom. illeg.

= Dioscorea tamifolia Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1110 (1903), nom. illeg.

species :

Dioscorea pilgeriana R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 177 (1937)

Distribution: Brazil (Minas Gerais)

84 BRA

species :

Dioscorea pilifera (Urb.) Raz; Phytotaxa 258(1): 36 (2016)

Distribution: Hispaniola (Haiti)

81 HIS

Synonyms: hidden

= Rajania pilifera Urb.; Ark. Bot. 17(7): 17 (1922)

species :

Dioscorea pilosiuscula Bertero; Syst. Veg., ed. 16 [Sprengel] 2: 152, ex Spreng. (1825)

Name: Dunguey, Bulbous yam

Distribution: Mexico (Campeche, Chiapas, Michoacán, Oaxaca, Quintana Roo, Veracruz, Yucatan); Guatemala; Honduras; Costa Rica; Panama; Jamaica; Jamaica; Hispaniola; Puerto Rico; Virgin Isl. (St. John, St. Thomas, Tortola); Antigua; Guadeloupe; Dominica; Martinique; St. Vincent; Grenada; Barbados; Tobago; Trinidad; Colombia (Amazonas, Chocó, Meta); Venezuela (Amazonas, Bolívar, Venezuela Distrito Federal, Merida, Monagas); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (La Paz, Pando); WC-Brazil (Mato Grosso)

79 MEX 80 COS GUA HON PAN 81 ABA BBD DOM GDL GRE HIS JAM MAR PUE STV TRT VIR 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Synonyms: hidden

= Dioscorea costaricensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 189 (1917)

= Dioscorea duchassaingii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 67 (1924)

= Dioscorea lanosa Gleason; Bull. Torrey Bot. Club 52: 181 (1925)

= Dioscorea lasseriana Steyerm.; Fieldiana, Bot. 28(1): 158 (1951)

= Dioscorea lindmanii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

= Dioscorea pilosiuscula var. panamensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 66 (1924)

= Dioscorea sapindioides C.Presl; Reliq. Haenk. 1: 133 (1827)

= Dioscorea schomburgkiana (Kunth) Hochr.; Bull. New York Bot. Gard. 6: 268 (1916)

= Helmia pilosiuscula (Bertero ex Spreng.) Kunth; Enum. Pl. [Kunth] 5: 434 (1850)

= Helmia schomburgkiana Kunth; Enum. Pl. [Kunth] 5: 424 (1850)

species :

Dioscorea pinedensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 95 (1931), et Repert. Spec. Nov. Regni Veg. 36: 126 (1934), descr. ampl.

Distribution: Peru

83 PER

species :

Dioscorea piperifolia Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 795 (1806)

Distribution: Colombia (Cauca, Magdalena, Santander); Venezuela (Amazonas, Bolívar); Guyana; Ecuador; Peru; Bolivia (Beni, Chuquisaca, Cochabamba, La Paz, Santa Cruz, Tarija); N-Brazil (Acre); NE-Brazil (Bahia, Alagoas); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina)

82 CLM GUY VEN 83 BOL ECU PER 84 BRA

Synonyms: hidden

= Dioscorea ancistrocarpa Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 105 (1924) (in syn.)

= Dioscorea arcuata Rusby; Bull. New York Bot. Gard. 4: 460 (1907)

= Dioscorea conferta Vell.; Fl. Flumin. 10: t. 122 (1825 publ. 1829)

= Dioscorea guayaquilensis Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 108 (1924) (in syn.)

= Dioscorea helmiicarpa R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 125 (1934)

= Dioscorea larecajensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 195 (1917)

= Dioscorea mandonii Rusby; Bull. Torrey Bot. Club 29: 701 (1902)

= Dioscorea maynensis R.Knuth; Enum. Pl. [Kunth] 5: 357 (1850)

= Dioscorea piperifolia var. apiculata Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 196 (1917)

= Dioscorea piperifolia var. obtusifolia Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1110 (1903)

= Sismondaea dioscoreoides Delponte; Mem. Reale Accad. Sci. Torino, Ser. 2, 14: 394 (1854)

species :

Dioscorea piscatorum Prain & Burkill; Gard. Bull. Straits Settlem. 3: 123 (1924), in adnot., et ex Ridl., Fl. Malay Penins. 4: 319 (1924)

Distribution: peninsular Malaysia (Perak, Pahang, Pulau Tioman); Sumatra; Borneo

42 BOR MLY SUM

Synonyms: hidden

= Dioscorea borneensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 188 (1924)

species :

Dioscorea pittieri R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 84 (1930)

Distribution: Colombia (Vichada); Venezuela (Amazonas, Yaracuy)

82 CLM VEN

species :

Dioscorea planistipulosa Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 204 (1917), et Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 169 (1924)

Distribution: NE-Brazil (Bahia); SE-Brazil (São Paulo, Rio de Janeiro)

84 BRA

variant :

var. glaziovii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 169 (1924)

Distribution: SE-Brazil

84 BRA

species :

Dioscorea plantaginifolia R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 211 (1917)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea platycarpa Prain & Burkill; Bull. Misc. Inform. Kew 1925: 65 (1925)

Distribution: Java

42 JAW

species :

Dioscorea platycolpota Uline ex B.L.Rob.; Proc. Amer. Acad. Arts 36: 471 (1900)

Distribution: Mexico (Guerrero, Mexico State, Michoacán, Morelos, Oaxaca)

79 MEX

species :

Dioscorea plumifera C.B.Rob.; Proc. Amer. Acad. Arts 29: 324 (1894)

Distribution: Mexico (Colima, Durango, Guerrero, Jalisco, Mexico State, Michoacán, Nayarit, Oaxaca, Sinaloa)

79 MEX

species :

Dioscorea pohlii Griseb.; Fl. Bras. [Martius] 3(1): 35 (1842)

Distribution: N-Brazil (Acre); NE-Brazil (Maranhao); WC-Brazil (Mato Grosso, Goiás)

84 BRA

variant :

var. luschnathiana (Kunth) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 213 (1917)

Distribution: NE-Brazil

84 BRA

Synonyms: hidden

= Dioscorea luschnathiana Kunth; Enum. Pl. [Kunth] 5: 364 (1850)

species :

Dioscorea poilanei Prain & Burkill; Bull. Misc. Inform. Kew 1933: 240 (1933)

Distribution: China (Hainan); Laos; Cambodia; Vietnam; peninsular Malaysia

36 CHI 41 CBD LAO VIE 42 MLY

species :

Dioscorea polyclades Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 294 (1892)

Distribution: Vietnam; peninsular Malaysia; Singapore; Sumatra (incl. Pulau Sebesi); Borneo; Java

41 VIE 42 BOR JAW MLY SNG SUM

Conservation Status: critically endangered (Singapore)

Synonyms: hidden

= Dioscorea nummularia var. velutina Kuntze; Revis. Gen. Pl. 2: 704 (1891)

= Dioscorea polyclades var. oblongifolia Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 275 (1924)

= Dioscorea polyclades var. velutina (Kuntze) Burkill; Fl. Males., Ser. 1, Spermatoph. 4: 335 (1951)

species :

Dioscorea polygonoides Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 795 (1806)

Name: Gunda, Hicarno, Matagallina, Air potato, Air yam, Wild yam

Distribution: Mexico (Campeche, Chiapas, Guerrero, Jalisco, Mexico State, Michoacán, Oaxaca, Quintana Roo, Veracruz, Yucatan); Guatemala; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Hispaniola (Dominican Republic, Haiti); Puerto Rico; Antigua; Montserrat; Guadeloupe; Dominica; Martinique; St. Lucia; St. Vincent; Grenada; Tobago; Trinidad; Colombia (Antioquia, Bolívar, Boyacá, Caldas, Cauca, Cesar, Chocó, Cundinamarca, Huila, La Guajira, Magdalena, Meta, Norte de Santander, Risaralda, Sucre, Valle); Venezuela (Amazonas, Apure, Aragua, Bolívar, Delta Amacuro, Venezuela Distrito Federal, Guarico, Miranda, Nueva Esparta, Portuguesa, Yaracuy); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, Santa Cruz); NE-Brazil (Bahia); SE-Brazil (São Paulo, Rio de Janeiro)

79 MEX 80 COS GUA HON NIC PAN 81 ABA CUB DOM GDL GRE HIS JAM MAR MTS PUE STL STV TRT 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Synonyms: hidden

= Dioscorea altissima Sieber ex C.Presl; Abh. Königl. Böhm. Ges. Wiss., Ser. 5, 3: 546 (1845), nom. illeg.

= Dioscorea caracasana Kunth; Enum. Pl. [Kunth] 5: 354 (1850)

= Dioscorea gardneri Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 192 (1917) (in syn.)

= Dioscorea kegeliana Griseb.; Linnaea 21: 279 (1848)

= Dioscorea lutea G.Mey.; Prim. Fl. Esseq. 282 (1818)

= Dioscorea martinicensis Spreng.; Neue Entdeck. Pflanzenk. [Sprengel] 3: 17 (1822)

= Dioscorea multiflora C.Presl; Abh. Königl. Böhm. Ges. Wiss., Ser. 5, 3: 546 (1845), nom. illeg.

= Dioscorea piperifolia Griseb.; Fl. Bras. [Martius] 3(1): 42 (1842), nom. illeg.

= Dioscorea piperifolia Klotzsch ex Kunth; Enum. Pl. [Kunth] 3: 354 (1841), nom. illeg.

= Dioscorea polygonoides var. aperta R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 208 (1917)

= Dioscorea polygonoides var. martinicensis (Spreng.) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 217 (1924)

= Dioscorea polygonoides var. scorpioidea Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 208 (1917)

= Dioscorea polygonoides var. sieberi (Kunth) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 208 (1917)

= Dioscorea sieberi Kunth; Abh. Königl. Akad. Wiss. Berlin 1848: 58 (1848)

species :

Dioscorea polystachya Turcz.; Bull. Soc. Imp. Naturalistes Moscou 7: 158 (1837)

Name: Chinese yam (EN), Yamswurz (DE), Yam

Distribution: Russian Far East (Kuril Isl., Primorye); China (Anhui, Fujian, E-Gansu, N-Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Liaoning, S-Shaanxi, Shandong, Sichuan, N-Yunnan, Zhejiang); China [I]; North Korea; South Korea; Japan (Hokkaido, Honshu, Shikoku, Kyushu); Taiwan; USA [I] (Alabama [I], Arkansas [I], Connecticut [I], District of Columbia [I], Florida [I], Georgia [I], Illinois [I], Indiana [I], Kansas [I], Kentucky [I], Louisiana [I], Massachusetts [I], Maryland [I], Missouri [I], Mississippi [I], North Carolina [I], New Jersey [I], New York [I], Ohio [I], Oklahoma [I], Pennsylvania [I], South Carolina [I], Tennessee [I], Texas [I], Virginia [I], Vermont [I], West Virginia [I])

31 RFE 36 CHI 38 JAP KOR NKO TAI 74 usa 75 usa 77 usa 78 usa

Synonyms: hidden

= Dioscorea batatas Decne.; Rev. Hort. (Paris), Sér. 4, 3: 243 (1854)

= Dioscorea batatas f. clavata Makino; Somoku Dzusetsu, ed. 3, 4: 1326 (1912), nomen

= Dioscorea batatas f. daikok Makino; Somoku Dzusetsu, ed. 3, 4: 1326 (1912), nomen

= Dioscorea batatas f. flabellata Makino; Somoku Dzusetsu, ed. 3, 4: 1326 (1912), nomen

= Dioscorea batatas f. rakuda Makino; Somoku Dzusetsu, ed. 3, 4: 1326 (1912), nomen

= Dioscorea batatas f. tsukune Makino; Somoku Dzusetsu, ed. 3, 4: 1326 (1912), nomen

= Dioscorea cayenensis var. pseudobatatas Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 488 (1915)

= Dioscorea decaisneana Carrière; Rev. Hort. (Paris), Sér. 4, 14: 111 (1865)

= Dioscorea doryphora Hance; Ann. Sci. Nat., Bot., Sér. 5, 5: 244 (1866)

= Dioscorea polystachya f. elongata Nakai; J. Jap. Bot. 13: 54 (1937)

= Dioscorea polystachya f. tsukune Nakai; J. Jap. Bot. 13: 54 (1937)

= Dioscorea potaninii Prain & Burkill; Bull. Misc. Inform. Kew 1933: 243 (1933)

= Dioscorea pseudobatatas (Hauman) Herter; Fl. Uruguay 1: 235 (1943)

= Dioscorea rosthornii Diels; Bot. Jahrb. Syst. 29: 261 (1900)

= Dioscorea swinhoei Rolfe; J. Bot. 20: 359 (1882)

species :

Dioscorea pomeroonensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 217 (1917)

Distribution: Guyana

82 GUY

species :

Dioscorea porulosa (R.Knuth) Raz; Phytotaxa 258(1): 36 (2016)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Rajania porulosa R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 221 (1917)

species :

Dioscorea potarensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 240 (1924)

Distribution: Guyana

82 GUY

species :

Dioscorea praehensilis Benth.; Niger Fl. [W.J.Hooker] 536 (1849)

Distribution: Gambia; Guinea; Sierra Leone; Liberia; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Niger; Nigeria; Cameroon; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Rwanda; Burundi; ?Chad; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique

22 BEN BKN GAM GHA GUI IVO LBR NGA NGR SIE TOG 23 BUR CAF CMN CON EQG GAB RWA ZAI 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM

Synonyms: hidden

= Dioscorea angustiflora Rendle; Cat. Afr. Pl. [Hiern] 2: 39 (1899)

= Dioscorea cayenensis var. praehensilis (Benth.) A.Chev.; Bull. Mus. Natl. Hist. Nat., Sér. 2, 8: 537 (1936)

= Dioscorea costermansiana De Wild. & T.Durand; Bull. Herb. Boissier, Sér. 2, 1: 52 (1900)

= Dioscorea liebrechtsiana De Wild. & T.Durand; Bull. Herb. Boissier, Sér. 2, 1: 53 (1900)

= Dioscorea odoratissima Pax; Bot. Jahrb. Syst. 15: 146 (1892)

species :

Dioscorea prainiana R.Knuth; Bull. Misc. Inform. Kew 1925: 286 (1925)

Distribution: Myanmar (Yangon); peninsular Malaysia; Singapore; Sumatra; Borneo; Sulawesi

41 MYA 42 BOR MLY SNG SUL SUM

Conservation Status: critically endangered (Singapore)

Synonyms: hidden

= Dioscorea deflexa Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 293 (1892)

= Dioscorea maliliensis R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 127 (1934)

species :

Dioscorea prazeri Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73, 2, Suppl. 2 (1904)

Distribution: Nepal; Bhutan; India (Arunachal Pradesh, Assam, Meghalaya, Mizoram, Nagaland, Sikkim, West Bengal); Bangladesh; Myanmar; Thailand; Vietnam; peninsular Malaysia (Perlis)

40 BAN BHU IND NEP 41 MYA THA VIE 42 MLY

Synonyms: hidden

= Dioscorea clarkei Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 15 (1914)

= Dioscorea deltoidea var. sikkimensis Prain; Bengal Pl. 2: 1066 (1903)

= Dioscorea sikkimensis Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73(Suppl.): 3 (1904)

species :

Dioscorea preslii Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 511 (1841), nom. nov.

Distribution: Mexico (Guerrero, Jalisco, Michoacán, Oaxaca)

79 MEX

Synonyms: hidden

= Dioscorea hastata C.Presl; Reliq. Haenk. 1: 133 (1827), nom. illeg.

species :

Dioscorea preussii Pax; Bot. Jahrb. Syst. 15: 147 (1893)

subspecies :

subsp. preussii

Distribution: Senegal; Guinea-Bissau; Guinea; Sierra Leone; Liberia; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; South Sudan; Uganda; Angola

22 BEN GHA GNB GUI IVO LBR NGA SEN SIE TOG 23 BIO CAF CMN CON EQG GAB ZAI 24 SSU 25 UGA 26 ANG

Synonyms: hidden

= Dioscorea andongensis Rendle; Cat. Afr. Pl. [Hiern] 2: 37 (1899)

= Dioscorea chevalieri De Wild.; Bull. Jard. Bot. État Bruxelles 4: 316 (1914)

= Dioscorea dawei De Wild.; Bull. Jard. Bot. État Bruxelles 4: 317 (1914)

= Dioscorea longispicata De Wild.; Bull. Jard. Bot. État Bruxelles 4: 323 (1913)

= Dioscorea malchairii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 365 (1912)

= Dioscorea pterocaulon De Wild. & T.Durand; Ann. Mus. Congo Belge, Bot., Sér. 2, 1(1): 58 (1899)

= Dioscorea thonneri De Wild. & T.Durand; Ann. Mus. Congo Belge, Bot., Sér. 1, 109, t. 55 (1900)

subspecies :

subsp. hylophila (Harms) Wilkin; Kew Bull. 56: 394 (2001)

Distribution: Tanzania; Zambia; Malawi; Zimbabwe

25 TAN 26 MLW ZAM ZIM

Synonyms: hidden

= Dioscorea hylophila Harms ex Engl.; Abh. Königl. Akad. Wiss. Berlin 51 (1894), et in Pflanzenw. Ost-Afrikas C: 146 (1895)

species :

Dioscorea pringlei C.B.Rob.; Proc. Amer. Acad. Arts 29: 323 (1894)

Distribution: Mexico (Colima, Jalisco, Mexico State, Michoacán)

79 MEX

species :

Dioscorea proteiformis H.Perrier; Notul. Syst. (Paris) 12: 199 (1946)

Distribution: Madagascar

29 MDG

species :

Dioscorea psammophila R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 120 (1935)

Distribution: NE-Brazil (Bahia)

84 BRA

species :

Dioscorea pseudocleistogama Raz & J.Pérez; Brittonia 69(1): 110 (2016)

Distribution: Cuba

81 CUB

species :

Dioscorea pseudojaponica Hayata; Icon. Pl. Formosan. 10: 42 (1921)

Distribution: China (Jiangxi); Ryukyu Isl.; Taiwan

36 CHI 38 NNS TAI

Synonyms: hidden

= Dioscorea japonica var. kelungensis Prain & Burkill; Bull. Misc. Inform. Kew 1926: 119 (1926)

= Dioscorea japonica var. pseudojaponica (Hayata) Yamam.; J. Soc. Trop. Agric. 10: 182 (1938)

= Dioscorea kelungensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 263 (1924), nom. illeg.

= Dioscorea neglecta R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 355 (1924)

species :

Dioscorea pseudomacrocapsa G.M.Barroso, E.F.Guim. & Sucre; Rev. Brasil. Biol. 31(3): 309 (1971)

Distribution: +SE-Brazil (+Rio de Janeiro)

84 BRA

species :

Dioscorea pseudorajanioides R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 347 (1926)

Distribution: Colombia (Magdalena)

82 CLM

Synonyms: hidden

= Dioscorea truncata Rusby; Descr. S. Amer. Pl. 6 (1920) (non D. truncata Prain)

species :

Dioscorea pseudotomentosa Prain & Burkill; Bull. Misc. Inform. Kew 1927: 234 (1927)

Distribution: C-Thailand

41 THA

species :

Dioscorea psilostachya (Kunth) Raz; Phytotaxa 258(1): 36 (2016)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Dioscorea ekmanii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

= Helmia psilostachya Kunth; Enum. Pl. [Kunth] 5: 429 (1850)

= Rajania psilostachya (Kunth) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 218 (1917)

= Rajania wrightii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 221 (1917)

species :

Dioscorea pteropoda Boivin ex H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 17 (1926)

Distribution: Madagascar

29 MDG

species :

Dioscorea pubera Blume; Enum. Pl. Javae 1: 21 (1827)

Distribution: Nepal; Bhutan; India (Andhra Pradesh, Arunachal Pradesh, Assam, Bihar, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Mizoram, Odisha, Rajasthan, Sikkim, Tamil Nadu, Tripura, Uttar Pradesh, West Bengal); Bangladesh; Myanmar; Sumatra; Java

40 BAN BHU IND NEP 41 MYA 42 JAW SUM

Synonyms: hidden

= Dioscorea anguina Roxb.; (Hort. Bengal. 72 (1814), nomen), Fl. Ind. [Roxburgh] 3: 803 (1832)

= Dioscorea combilium Buch.-Ham.; Numer. List [Wallich] 5103A (1830), nom. inval.

= Dioscorea cornifolia Kunth; Enum. Pl. [Kunth] 5: 385 (1850)

= Dioscorea spinosa Roxb. ex Wall.; Numer. List [Wallich] 178, no. 5103 (1832), nomen

species :

Dioscorea pubescens Poir.; Encycl. [J.Lamarck et al.], Suppl. 3: 137 (1813)

Distribution: French Guiana

82 FRG

Remarks: insufficiently known species

species :

Dioscorea pumicicola Uline; Proc. Amer. Acad. Arts 35: 322 (1900)

Distribution: Mexico (Mexico State, Morelos)

79 MEX

species :

Dioscorea pumilio Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 162 (1875)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea puncticulata R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 55 (1924)

Distribution: S-Brazil

84 BRA

species :

Dioscorea purdiei R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 100 (1924)

Distribution: Colombia (Magdalena); Peru

82 CLM 83 PER

species :

Dioscorea putisensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 82 (1930)

Distribution: Peru

83 PER

species :

Dioscorea putumayensis R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 160 (1932)

Distribution: Colombia (Putumayo); Ecuador

82 CLM 83 ECU

species :

Dioscorea pynaertii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 366 (1912)

Distribution: Cameroon; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Chad

23 CAF CMN CON GAB ZAI 24 CHA

species :

Dioscorea pyrenaica Bubani & Bordère ex Gren.; Bull. Soc. Bot. France 13: 382 (1866)

Distribution: NE-Spain (C-Pyrénées); SW-France (Pyrénées)

12 FRA SPA

Synonyms: hidden

= Borderea pyrenaica Miegeville; Bull. Soc. Bot. France 13: 374 (1866)

species :

Dioscorea pyrifolia Kunth; Enum. Pl. [Kunth] 5: 384 (1850)

Distribution: India (Assam, Bihar, Meghalaya, West Bengal); Myanmar (Taninthayi); peninsular Thailand; Laos; Cambodia; Vietnam; peninsular Malaysia; Singapore; Sumatra; Borneo; Sulawesi; W-Java

40 IND 41 CBD LAO MYA THA VIE 42 BOR JAW MLY SNG SUL SUM

Synonyms: hidden

= Dioscorea diepenhorstiana Miq.; Fl. Ned. Ind., Eerste Bijv. 611 (1861)

= Dioscorea ferruginea Thunb. ex Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 33 (1914) (in syn.)

= Dioscorea nummularia var. glabrescens Kuntze; Revis. Gen. Pl. 2: 705 (1891)

= Dioscorea nummularia var. puberula Kuntze; Revis. Gen. Pl. 2: 704 (1891)

= Dioscorea ornata Wall. ex Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 33 (1914) (in syn.)

= Dioscorea preangeriana Uline ex Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 33 (1914), Uline ex R. Knuth in Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 269 (1924)

= Dioscorea pyrifolia var. diepenhorstii Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 33 (1914)

= Dioscorea sandakanensis R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 127 (1934)

= Dioscorea zollingeriana Kunth; Enum. Pl. [Kunth] 5: 384 (1850)

variant :

var. ferruginea Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 33 (1914)

Distribution: NE-India (Assam, Bihar, Meghalaya, West Bengal); peninsular Malaysia

40 IND 42 MLY

species :

Dioscorea quartiniana A.Rich.; Tent. Fl. Abyss. 2: 316 (1851)

Distribution: Gambia; Guinea-Bissau; Sierra Leone; Burkina Faso; Ivory Coast; Ghana; Benin; Nigeria; Central African Republic; D.R.Congo [Zaire]; Rwanda; Burundi; S-Chad; Sudan; South Sudan; Ethiopia; Eritrea; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Zimbabwe; Mozambique; Namibia; Botswana; South Africa (Limpopo, North-West Prov., Mpulamanga, KwaZulu-Natal); Eswatini [Swaziland]; Madagascar; Comores (Mayotte, etc.)

22 BEN BKN GAM GHA GNB IVO NGA SIE 23 BUR CAF RWA ZAI 24 CHA ERI ETH SSU SUD 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 27 BOT NAM SAF SWZ 29 COM MDG

Synonyms: hidden

= Dioscorea anchiatasi Harms; Veg. Erde [Engler & Drude] 9 (Pflanzenw. Afr.) 2: 362 (1908), nom. inval.

= Dioscorea anchietae Harms ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 155 (1924)

= Dioscorea angolensis R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 119 (1935)

= Dioscorea apiculata De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 4, 1: 14 (1902)

= Dioscorea beccariana Martelli; Fl. Bogos. 83 (1886)

= Dioscorea crinita Hook.f.; Bot. Mag. t. 6804 (1885)

= Dioscorea cryptantha Baker; J. Linn. Soc., Bot. 22: 528 (1887)

= Dioscorea dinteri Schinz; Mém. Herb. Boissier 20, 11 (1900)

= Dioscorea excisa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 155 (1924)

= Dioscorea forbesii Baker; J. Bot. 27: 2 (1889)

= Dioscorea gossweileri R.Knuth; Repert. Spec. Nov. Regni Veg. 38: 120 (1935)

= Dioscorea holstii Harms; Pflanzenw. Ost-Afrikas C: 147 (1895)

= Dioscorea pentadactyla (Pax) Welw.; Cat. Afr. Pl. [Hiern] 2(1): 41 (1899)

= Dioscorea pentaphylla A.Rich.; (1851) (non L.)

= Dioscorea peteri R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 161 (1937)

= Dioscorea phaseoloides Pax; Bot. Jahrb. Syst. 15: 149 (1893)

= Dioscorea quartiniana var. apiculata (De Wild.) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. cryptantha (Baker) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. dinteri (Schinz) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. excisa (R.Knuth) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. forbesii (Baker) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. hochstetteri Engl.; Hochgebirgsfl. Afrika [Engler] 172 (1892)

= Dioscorea quartiniana var. holstii (Harms) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. latifolia R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 161 (1937)

= Dioscorea quartiniana var. pentadactyla Pax; Bot. Jahrb. Syst. 15: 148 (1892)

= Dioscorea quartiniana var. phaseoloides (Pax) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. schliebenii (R.Knuth) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. schweinfurthiana (Pax) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. stuhlmannii (Harms) Burkill; Bull. Jard. Bot. État Bruxelles 15: 365 (1939)

= Dioscorea quartiniana var. subpedata Chiov.; Ann. Bot. (Rome) 9: 142 (1911)

= Dioscorea quartiniana var. vestita R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 161 (1937)

= Dioscorea schliebenii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 11: 659 (1932)

= Dioscorea schweinfurthiana Pax; Bot. Jahrb. Syst. 15: 149 (1893)

= Dioscorea stuhlmannii Harms; Pflanzenw. Ost-Afrikas C: 146 (1895)

= Dioscorea ulugurensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 11: 1060 (1934)

= Dioscorea verdickii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 4, 15 (1902)

species :

Dioscorea quaternata Walter; Fl. Carol. [Walter] 246 (1788)

Name: Fourleaf yam

Distribution: USA (Alabama, Arkansas, District of Columbia, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Maryland, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Wisconsin, West Virginia)

74 USA 75 USA 77 USA 78 USA

Remarks: status uncertain, often included in D. villosa s. l.

Synonyms: hidden

= Dioscorea glauca Muhl. ex L.C.Beck; Bot. North. Middle States [Beck] 355 (1833), pro syn.

= Dioscorea paniculata var. glabrifolia Bartlett; Bull. Bur. Pl. Industr. U.S.D.A. 189: 15 (1910)

= Dioscorea quaternata var. glauca (Muhl. ex L.C.Beck) Fernald; Rhodora 39: 399 (1937)

= Dioscorea villosa f. glabrifolia (Bartlett) Fernald; Rhodora 39: 401 (1937)

= Dioscorea villosa subsp. glabrifolia (Bartlett) W.Stone; Pl. S. New Jersey 358 (1912)

= Dioscorea villosa subsp. glauca (Muhl. ex L.C.Beck) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 173 (1924)

= Dioscorea villosa subsp. quaternata (Walter) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 173 (1924)

= Dioscorea villosa var. glabra Lloyd ex A.Gray; Manual [A.Gray], ed. 7: 297 (1908)

= Dioscorea villosa var. glabrifolia (Bartlett) S.F.Blake; Rhodora 20: 49 (1918)

species :

Dioscorea quinquefolia (L.) Raz; Phytotaxa 258(1): 37 (2016)

Name: Name cimarron, Name de monte (Cuba), Catyame, Name cimarron (Dominican Republic), Igname chat, Liane chatte, Liomechotte (Haiti)

Distribution: Cuba; Hispaniola (Dominican Republic, Haiti)

81 CUB HIS

Synonyms: hidden

= Dioscorea lanceolata Griseb. ex Prain; Index Kew., Suppl. 5: 85 (1921)

= Rajania angustifolia Griseb. ex Kunth; Enum. Pl. [Kunth] 5: 446 (1850)

= Rajania cubensis Kunth; Enum. Pl. [Kunth] 5: 446 (1850)

= Rajania mucronata var. angustior C.Wright; Anales Real Acad. Ci. Méd. Fís. Nat. Habana Revista Ci. 8: 75 (1871)

= Rajania mucronata Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 787 (1806)

= Rajania quinquefolia L.; Sp. Pl. [Linnaeus] 2: 1032 (1753)

= Rajania quinquenervia Raf.; Autik. Bot. 125 (1840)

= Rajania wilsoniana C.V.Morton; Proc. Biol. Soc. Washington 46: 85 (1933)

species :

Dioscorea quinquelobata Thunb.; Fl. Jap. [Thunberg] 150 (1784), et Syst. Veg., ed. 14: 889 (1784)

Distribution: China; North Korea; South Korea; Japan (Honshu, Shikoku, Kyushu); Ryukyu Isl.

36 CHI 38 JAP KOR NKO NNS

Synonyms: hidden

= Dioscorea quinqueloba Thunb.; Fl. Jap. [Thunberg] 150 (1784)

species :

Dioscorea quispicanchensis R.Knuth; Repert. Spec. Nov. Regni Veg. 39: 93 (1936)

Distribution: Peru

83 PER

species :

Dioscorea racemosa (Klotzsch) Mottet; Dict. Prat. Hort. 2: 217 (1893)

Distribution: Mexico (Chiapas, Oaxaca); Costa Rica; Panama; Colombia (Chocó, Valle); Ecuador

79 MEX 80 COS PAN 82 CLM 83 ECU

Synonyms: hidden

= Dioscorea borealis C.V.Morton; J. Wash. Acad. Sci. 27: 304 (1937)

= Dioscorea coxii Matuda; Bol. Soc. Bot. México 21: 6 (1957)

= Dioscorea racemosa (Klotzsch) Uline; Bot. Jahrb. Syst. 22: 430 (1896), isonym

= Helmia racemosa Klotzsch; Allg. Gartenzeitung [Otto & Dietrich] 19: 393 (1851)

species :

Dioscorea raziae Greuter & J.Pérez; Espermat. Cuba Invent. Prelim. 2: 398 (2016), nom. nov.

Name: Patico blanco (Cuba)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Dioscorea confusa Raz; Phytotaxa 258(1): 31 (2016), nom. nov. illeg.

= Rajania cordata A.Rich.; Hist. Fis. Cuba, Bot. 11: 269 (1850) (non L.)

species :

Dioscorea regnellii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 214 (1917)

Distribution: SE-Brazil (São Paulo, Rio de Janeiro)

84 BRA

species :

Dioscorea remota C.V.Morton; J. Wash. Acad. Sci. 27: 304 (1937)

Distribution: Costa Rica; Panama

80 COS PAN

species :

Dioscorea remotiflora Kunth; Enum. Pl. [Kunth] 5: 409 (1850)

Distribution: Mexico (Chiapas, Chihuahua, Colima, Durango, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Puebla, San Luis Potosi, Sinaloa, Sonora, Tabasco, Tamaulipas, Zacatecas)

79 MEX

Synonyms: hidden

= Dioscorea laxiflora Schltdl.; Linnaea 17: 606 (1843), nom. illeg.

= Dioscorea remotiflora var. maculata Uline; Bot. Jahrb. Syst. 22: 422 (1897)

= Dioscorea remotiflora var. palmeri Uline; Bot. Jahrb. Syst. 22: 422 (1897)

= Helmia ehrenbergiana Kunth; Enum. Pl. [Kunth] 5: 433 (1850)

species :

Dioscorea reticulata Gay; Fl. Chil. [Gay] 6: 61 (1854)

Name: Jabón del monte (Chile)

Distribution: Argentina (Neuquen); Chile (O´Higgins, Maule, Ñuble, Biobío, Araucanía, Los Lagos)

85 ARG CLE

Synonyms: hidden

= Dioscorea brachybotrya var. reticulata (Gay) Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 206 (1917)

= Dioscorea nervosa Phil.; Anales Univ. Chile 93: 20 (1902)

= Dioscorea pedatifida Phil.; Anales Univ. Chile 93: 18 (1896)

= Dioscorea reticulata var. nervosa (Phil.) L.E.Navás; Anales Acad. Chilena Ci. Nat. 1968: 54 (1968)

= Dioscorea thermarum Phil.; Anales Univ. Chile 93: 17 (1896)

species :

Dioscorea retusa Mast.; Gard. Chron. 1870: 1149 (1870)

Distribution: South Africa (Limpopo, North-West Prov., Gauteng, Mpulamanga, KwaZulu-Natal, E-Cape Prov.); Eswatini [Swaziland]

27 SAF SWZ

Synonyms: hidden

= Dioscorea microcuspis Baker; Fl. Cap. [Harvey & auct. succ.] 6: 250 (1896)

= Dioscorea tysonii Baker; J. Bot. 27: 2 (1889)

species :

Dioscorea reversiflora Uline; Bot. Jahrb. Syst. 22: 426 (1896)

Distribution: Mexico (Durango, Nayarit, Sinaloa)

79 MEX

species :

Dioscorea richardhowardii Raz; Phytotaxa 258(1): 39 (2016), nom. nov.

Distribution: Cuba

81 CUB

Synonyms: hidden

= Rajania tenella R.A.Howard; J. Arnold Arbor. 28: 119 (1947)

species :

Dioscorea ridleyi Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 12 (1914)

Distribution: Borneo

42 BOR

species :

Dioscorea riedelii R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 213 (1917)

Distribution: SE-Brazil

84 BRA

species :

Dioscorea rimbachii R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 344 (1926)

Distribution: Ecuador

83 ECU

species :

Dioscorea riparia Kunth & R.H.Schomb. ex Kunth; Enum. Pl. [Kunth] 5: 364 (1850)

Distribution: Bolivia (La Paz, Pando, Santa Cruz); N-Brazil (Acre, Rondônia); NE-Brazil (Bahia); WC-Brazil (Mato Grosso, Goiás)

83 BOL 84 BRA

species :

Dioscorea rockii Prain & Burkill; Bull. Misc. Inform. Kew 1927: 229 (1927)

Distribution: N-Thailand; Laos

41 LAO THA

species :

Dioscorea rosei R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 229 (1924)

Distribution: Ecuador

83 ECU

species :

Dioscorea rumicoides Griseb.; Fl. Bras. [Martius] 3(1): 42 (1842)

Distribution: Peru; Bolivia (Santa Cruz, Tarija); WC-Brazil (Goiás); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Santa Catarina)

83 BOL PER 84 BRA

Synonyms: hidden

= Dioscorea rumicoides var. longibracteata R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 86 (1930)

species :

Dioscorea rupicola Kunth; Enum. Pl. [Kunth] 5: 378 (1850)

Distribution: South Africa (Limpopo, KwaZulu-Natal, E-Cape Prov.); Eswatini [Swaziland]

27 SAF SWZ

Synonyms: hidden

= Testudinaria rupicola Eckl. ex Kunth; Enum. Pl. [Kunth] 5: 378 (1850)

species :

Dioscorea rusbyi Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 86 (1897)

Distribution: Bolivia (La Paz, Santa Cruz)

83 BOL

species :

Dioscorea sabarensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 241 (1924)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea sagittata Poir.; Encycl. [J.Lamarck et al.], Suppl. 3: 139 (1813)

Distribution: French Guiana

82 FRG

Remarks: insufficiently known

species :

Dioscorea sagittifolia Pax; Bot. Jahrb. Syst. 15: 147 (1893)

Distribution: Senegal; Guinea; Liberia; Burkina Faso; Ivory Coast; Cameroon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; South Sudan

22 BKN GUI IVO LBR SEN 23 CAF CMN CON ZAI 24 SSU

Synonyms: hidden

= Dioscorea mildbraedii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 295 (1924)

= Dioscorea zara Baudon; Ann. Mus. Colon. Marseille, Sér. 3, 1: 237 (1913)

variant :

var. lecardii (De Wild.) Nkounkou; Belg. J. Bot. 126(1): 62 (1993), et in Fragm. Florist. Geobot., Suppl. 2(1): 174 (1993)

Distribution: Senegal; Gambia; Guinea-Bissau; Guinea; Sierra Leone; Mali; Ivory Coast; Togo; Benin; Cameroon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; NE-Chad; Uganda

22 BEN GAM GNB GUI IVO MLI SEN SIE TOG 23 CAF CMN CON ZAI 24 CHA 25 UGA

Synonyms: hidden

= Dioscorea lecardii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 1: 19 (1904)

species :

Dioscorea salicifolia Blume; Enum. Pl. Javae 1: 23 (1827)

Distribution: Sumatra; Borneo; Sulawesi; Java

42 BOR JAW SUL SUM

Synonyms: hidden

= Dioscorea gracillima Ridl.; Bot. Jahrb. Syst. 44: 528 (1910), nom. illeg., non Miq.

= Dioscorea sarawakensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 291 (1924)

species :

Dioscorea salvadorensis Standl.; J. Wash. Acad. Sci. 13: 365 (1923)

Distribution: El Salvador

80 ELS

species :

Dioscorea sambiranensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 353 (1924)

subspecies :

subsp. sambiranensis

Distribution: Ivory Coast; Madagascar

22 IVO 29 MDG

Synonyms: hidden

= Dioscorea fimbriata Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 291, 424 (1910)

subspecies :

subsp. ambrensis H.Perrier; Notul. Syst. (Paris) 12: 202 (1946)

Distribution: Madagascar

29 MDG

subspecies :

subsp. bardotiae Wilkin; Adansonia, Sér. 3, 31(2): 264 (2009)

Distribution: Madagascar

29 MDG

species :

Dioscorea samydea Mart. ex Griseb.; Fl. Bras. [Martius] 3(1): 33 (1842)

Distribution: Colombia (Amazonas, Boyacá, Caquetá, Guainía); Venezuela (Apure)

82 CLM VEN

Synonyms: hidden

= Dioscorea samydea var. corcovadensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 201 (1917)

species :

Dioscorea sanchez-colini Matuda; Anales Inst. Biol. Univ. Nac. México 24: 336 (1954)

Distribution: Mexico (Mexico State, Oaxaca)

79 MEX

species :

Dioscorea sandiensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 192 (1917). 7: 192 (1917)

Distribution: Peru

83 PER

species :

Dioscorea sandwithii B.G.Schub.; J. Arnold Arbor. 47: 158 (1966)

Distribution: Belize

80 BLZ

species :

Dioscorea sanpaulensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 57 (1924)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea sansibarensis Pax; Bot. Jahrb. Syst. 15: 146 (1893)

Distribution: Guinea; Ivory Coast; Togo; Benin; Nigeria; Cameroon; São Tomé; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; South Sudan; Uganda; Kenya; Tanzania; Zanzibar; Angola; Zambia; Malawi; Zimbabwe; Mozambique; Madagascar; Comores (Mayotte, etc.); Singapore [I]; USA [I] (Florida [I])

22 BEN GUI IVO NGA TOG 23 CAF CMN CON EQG GAB SAO ZAI 24 SSU 25 KEN TAN UGA 26 ANG MLW MOZ ZAM ZIM 29 COM MDG 42 sng 78 usa

Synonyms: hidden

= Dioscorea macabiha Jum. & H.Perrier; Compt. Rend. Hebd. Séances Acad. Sci. 149: 485 (1909)

= Dioscorea macroura Harms; Notizbl. Königl. Bot. Gart. Berlin 2: 266 (1896)

= Dioscorea toxicaria Bojer; Hortus Maurit. 352 (1837)

= Dioscorea welwitschii Rendle; Cat. Afr. Pl. [Hiern] 2: 39 (1899)

species :

Dioscorea santanderensis R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 161 (1937)

Distribution: Colombia (Antioquia, Santander)

82 CLM

species :

Dioscorea santosensis R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 77 (1925)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea sarasinii Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 291 (1924)

Distribution: Sulawesi

42 SUL

species :

Dioscorea saxatilis Poepp.; Fragm. Syn. Pl. 11 (1833)

Name: Papa cimarrona (Chile)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Maule, Ñuble, Biobío)

85 CLE

Synonyms: hidden

= Dioscorea arenaria Kunth; Enum. Pl. [Kunth] 5: 344 (1850)

= Dioscorea heterophylla Poepp.; Fragm. Syn. Pl. 11 (1833), nom. illeg.

= Dioscorea heterophylla var. longifolia (Phil.) L.E.Navas & Erba; Anales Acad. Chilena Ci. Nat. 1968: 46 (1968)

= Dioscorea linearis Bertero ex Colla; Mem. Reale Accad. Sci. Torino 39: 11 (1836)

= Dioscorea longifolia Phil.; Linnaea 33: 254 (1865), nom. illeg.

= Dioscorea parviflora Phil.; Linnaea 33: 257 (1864 publ. 1865)

species :

Dioscorea scabra Humb. & Bonpl. ex Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 794 (1806)

Distribution: Colombia; Venezuela (Bolívar, Amazonas); Ecuador; Bolivia (Santa Cruz); WC-Brazil (Mato Grosso, Goiás); SE-Brazil (São Paulo)

82 CLM VEN 83 BOL ECU 84 BRA

Synonyms: hidden

= Helmia scabra (Humb. & Bonpl. ex Willd.) Kunth; Enum. Pl. [Kunth] 5: 430 (1850)

species :

Dioscorea schimperiana Hochst. ex Kunth; Enum. Pl. [Kunth] 5: 339 (1850)

Distribution: Burkina Faso; Nigeria; Cameroon; Gabon; Congo [Brazzaville]; D.R.Congo [Zaire]; Rwanda; Burundi; South Sudan; Ethiopia; Uganda; Kenya; Tanzania; Zambia; Malawi; Zimbabwe; Mozambique

22 BKN NGA 23 BUR CMN CON GAB RWA ZAI 24 ETH SSU 25 KEN TAN UGA 26 MLW MOZ ZAM ZIM

Synonyms: hidden

= Dioscorea fulvida Stapf; J. Linn. Soc., Bot. 37: 530 (1906)

= Dioscorea hockii De Wild.; Bull. Jard. Bot. État Bruxelles 3: 277 (1911)

= Dioscorea schimperiana var. adamaouense Jacq.-Fél.; Rev. Int. Bot. Appl. Agric. Trop. 27: 126 (1947)

= Dioscorea schimperiana var. vestita Pax; Bot. Jahrb. Syst. 15: 148 (1892)

= Dioscorea stellatopilosa De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 369 (1912)

= Dioscorea stellatopilosa var. cordata De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 370 (1912)

species :

Dioscorea schubertiae Ayala; Phytologia 55(5): 296 (1984), nom. nov.

Distribution: Peru

83 PER

Synonyms: hidden

= Dioscorea elegans R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 83 (1930) (nom. illeg.)

species :

Dioscorea schunkei Ayala & T.Clayton; Ann. Missouri Bot. Gard. 68(1): 130 (1981)

Distribution: Peru

83 PER

species :

Dioscorea schwackei Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 195 (1917)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea scorpioidea C.Wright; Anales Real Acad. Ci. Méd. Fís. Nat. Habana Revista Ci. 8: 74 (1871)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Rajania cordata var. scorpioidea (C.Wright) R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

= Rajania ekmanii R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 80 (1925)

species :

Dioscorea scortechinii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 455 (1908)

Distribution: India (Arunachal Pradesh); peninsular Malaysia (Perak southward); Sumatra (incl. Simeulue Isl.)

40 IND 42 MLY SUM

variant :

var. parviflora Prain & Burkill; Bull. Misc. Inform. Kew 1936: 494 (1936)

Distribution: China (Hainan, Yunnan); Bangladesh; Thailand; Vietnam

36 CHI 40 BAN 41 THA VIE

species :

Dioscorea secunda R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 350 (1924)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea sellowiana Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 199 (1917)

Distribution: SE-Brazil; S-Brazil (Rio Grande do Sul)

84 BRA

Synonyms: hidden

= Dioscorea sellowiana var. mantiqueirensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 118 (1924)

species :

Dioscorea semperflorens Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 87 (1897)

Distribution: Cameroon; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]

23 CAF CMN CON GAB ZAI

Synonyms: hidden

= Dioscorea hypotricha Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 87 (1897)

= Dioscorea schlechteri Harms; Westafrik. Kautschuk-Exped. 1899-1900: 273 (nomen) (1900)

species :

Dioscorea septemloba Thunb.; Syst. Veg., ed. 14 [J.A.Murray] 889 (1784)

Distribution: North Korea; South Korea; Japan (Honshu, Shikoku, Kyushu, Izu Isl.)

38 JAP KOR NKO

Synonyms: hidden

= Dioscorea septemloba var. platyphylla M.Mizush. ex T.Shimizu; Fl. Nagano Pref. 1511 (1997)

= Dioscorea septemloba var. sititoana (Honda & Jôtani) Ohwi; Bull. Natl. Sci. Mus. Tokyo 33: 69 (1953)

= Dioscorea sititoana Honda & Jôtani; J. Jap. Bot. 14: 235 (1938)

species :

Dioscorea septemnervis Vell.; Fl. Flumin. 10: t. 119 (1825 publ. 1829)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea sericea R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 65 (1924)

Distribution: Colombia (Cundinamarca, Putumayo, Sucre, Valle)

82 CLM VEN

species :

Dioscorea seriflora Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 161, 415 (1910)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea ovifotsy H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 18 (1928)

= Dioscorea tanalarum H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 28 (1928)

species :

Dioscorea serpenticola Hoque & P.K.Mukh.; J. Bombay Nat. Hist. Soc. 99: 371 (2002)

Distribution: Andaman Isl.; Nicobar Isl.

41 AND NCB

species :

Dioscorea sessiliflora McVaugh; Fl. Novo-Galiciana 15: 384 (1989)

Distribution: Mexico (Jalisco, Nayarit)

79 MEX

species :

Dioscorea sexrimata Burkill; Kew Bull. [5]: 259 (1950)

Distribution: Sulawesi

42 SUL

species :

Dioscorea simulans Prain & Burkill; Bull. Misc. Inform. Kew 1931: 427 (1931)

Distribution: China (Guangxi, N-Guangdong, S-Hunan)

36 CHI

species :

Dioscorea sinaloensis O.Téllez; Novon 30(1): 9 (2022)

Distribution: Mexico (Sinaloa)

79 MEX

species :

Dioscorea sincorensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 186 (1917)

Distribution: NE-Brazil (Bahia, Alagoas)

84 BRA

species :

Dioscorea sinoparviflora C.T.Ting, M.G.Gilbert & Turland; Novon 10: 13 (2000), nom. nov.

Distribution: China (Yunnan)

36 CHI

Synonyms: hidden

= Dioscorea parviflora C.T.Ting; Acta Phytotax. Sin. 17(3): 69 (1979) (non Phil. 1865)

species :

Dioscorea sinuata Vell.; Fl. Flumin. 10: t. 129 (1825 publ. 1829)

Distribution: ?Costa Rica; Bolivia (Chuquisaca, Cochabamba, Santa Cruz, Tarija); NE-Brazil (Pernambuco, Bahia, Alagoas); WC-Brazil (Brasilia Distrito Federal); SE-Brazil (Minas Gerais, São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Alto Paraguay, Central, Cordillera, Guaira, Pres. Hayes); Uruguay (Artigas, Cerro Largo, Colonia, Florida Prov., Rivera, Rio Negro, Salto, San Jose, Soriano); Argentina (Buenos Aires, Chaco, Corrientes, Misiones, Salta)

83 BOL 84 BRA 85 ARG PAR URU

Synonyms: hidden

= Dioscorea bonariensis Ten.; Index Sem. (Naples, Neapolitano) 1838: 3 (1838)

= Dioscorea crenata Vell.; Fl. Flumin. 10: I. 127 (1825 publ. 1829)

= Dioscorea septemloba Griseb.; Fl. Bras. [Martius] 3(1): 46 (1842), not validly publ.

= Dioscorea sinuata var. bonariensis (Ten.) Hauman; Anales Mus. Nac. Hist. Nat. Buenos Aires 27: 499 (1916)

= Dioscorea sinuata var. crenata Regel; Index Sem. (St. Petersburg [Petropolitanus]) 1866: 79 (1867)

= Dioscorea sinuata var. integrifolia Regel; Index Sem. (St. Petersburg [Petropolitanus]) 1866: 79 (1867)

= Dioscorea sinuata var. macrotepala Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 207 (1917)

= Dioscorea sinuata var. pauloensis R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 126 (1934)

= Dioscorea sinuata var. septemloba Regel; Index Sem. (St. Petersburg [Petropolitanus]) 1866: 79 (1867)

= Dioscorea variifolia Kunze; Linnaea 20: 12 (1847), nom. illeg.

species :

Dioscorea sitamiana Prain & Burkill; Bull. Misc. Inform. Kew 1925: 64 (1925)

Distribution: Borneo

42 BOR

species :

Dioscorea skottsbergii R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 125 (1934)

Distribution: Chile (Coquimbo)

85 CLE

Remarks: provisionally accepted name, not listed in Checklist of Chile (2018)

species :

Dioscorea smilacifolia De Wild. & T.Durand; Ann. Mus. Congo Belge, Bot., Sér. 2, 1(1): 58 (1899)

Distribution: Guinea; Sierra Leone; Liberia; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Gabon; Congo [Brazzaville]; Central African Republic; D.R.Congo [Zaire]; Uganda; Angola

22 BEN BKN GHA GUI IVO LBR NGA SIE TOG 23 BIO CAF CMN CON GAB ZAI 25 UGA 26 ANG

Synonyms: hidden

= Dioscorea demeusei De Wild. & T.Durand; Ann. Mus. Congo Belge, Bot., Sér. 3, 1: 238 (1901) (non De Wild., p. p.)

= Dioscorea echinulata De Wild.; Bull. Jard. Bot. État Bruxelles 3: 278 (1911)

= Dioscorea flamignii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 3: 360 (1912)

= Dioscorea orbicularis A.Chev.; Bull. Jard. Bot. État Bruxelles 4: 345 (1914) (in syn. et ex De Wild. non Hook.f.)

species :

Dioscorea sonlaensis R.Knuth; Repert. Spec. Nov. Regni Veg. 42: 162 (1937)

Distribution: Vietnam

41 VIE

species :

Dioscorea sororopana Steyerm.; Fieldiana, Bot. 28(1): 159 (1951)

Distribution: Venezuela (Bolívar)

82 VEN

species :

Dioscorea soso Jum. & H.Perrier; Compt. Rend. Hebd. Séances Acad. Sci. 149: 484 (1909)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea soso var. calvescens Burkill & H.Perrier; Notul. Syst. (Paris) 14: 135 (1951)

= Dioscorea soso var. mollis Burkill & H.Perrier; Notul. Syst. (Paris) 14: 135 (1951)

= Dioscorea soso var. prorsicarpa Burkill & H.Perrier; Notul. Syst. (Paris) 14: 136 (1951)

variant :

var. trichopoda (Jum. & H.Perrier) Burkill & H.Perrier; Fl. Madagasc. 44: 43 (1950)

Distribution: Madagascar

29 MDG

Synonyms: hidden

= Dioscorea trichopoda Jum. & H.Perrier; Ann. Mus. Colon. Marseille, Sér. 2, 8: 401 (1910)

species :

Dioscorea sparsiflora Hemsl.; Biol. Centr.-Amer., Bot. 3: 360 (1884)

Distribution: Mexico (Chiapas, Colima, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Sinaloa, Zacatecas)

79 MEX

Remarks: often included in D. remotiflora

Synonyms: hidden

= Dioscorea remotiflora var. sparsiflora (Hemsl.) Uline; Bot. Jahrb. Syst. 22: 422 (1897)

species :

Dioscorea spectabilis R.Knuth; Meded. Rijks-Herb. 29: 55 (1916)

Distribution: Peru; Bolivia (Cochabamba); Argentina (Jujuy)

83 BOL PER 85 ARG

species :

Dioscorea sphaeroidea R.Couto & J.M.A.Braga; Phytotaxa 163(4): 230 (2014)

Distribution: Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea spicata B.Heyne ex Roth; Nov. Pl. Sp. 371 (1821)

Distribution: S-India (Andhra Pradesh, Kerala, Tamil Nadu); Sri Lanka; Bangladesh

40 BAN IND SRL

Synonyms: hidden

= Dioscorea nummularia var. glauca Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 35 (1914)

= Dioscorea spicata var. anamallayana Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 29 (1914)

= Dioscorea spicata var. parvifolia Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 29 (1914)

species :

Dioscorea spiculiflora Hemsl.; Biol. Centr.-Amer., Bot. 3: 361 (1884)

Distribution: Mexico (Campeche, Chiapas, Durango, Michoacán, Nayarit, Oaxaca, Puebla, Quintana Roo, San Luis Potosi, Tabasco, Tamaulipas, Veracruz, Yucatan); Guatemala; Belize; Honduras; Nicaragua; Costa Rica

79 MEX 80 BLZ COS GUA HON NIC

Synonyms: hidden

= Dioscorea friedrichsthalii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 169 (1924)

species :

Dioscorea spiculoides Matuda; Anales Inst. Biol. Univ. Nac. México 24: 57 (1953)

Distribution: Mexico (Oaxaca)

79 MEX

species :

Dioscorea spongiosa J.Q.Xi, M.Mizuno & W.L.Zhao; Acta Phytotax. Sin. 25(1): 52 (1987)

Distribution: China (Fujian, N-Guangdong, E-Guangxi, SW-Hubei, Hunan, Jiangxi, Zhejiang)

36 CHI

species :

Dioscorea sprucei Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 197 (1917)

Distribution: Ecuador; N-Peru

83 ECU PER

species :

Dioscorea standleyi C.V.Morton; Publ. Carnegie Inst. Wash., No. 461 (Bot. Maya Area) 252 (1936)

Distribution: Honduras; Costa Rica; Panama

80 COS HON PAN

species :

Dioscorea stegelmanniana R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 203 (1917)

Distribution: Peru; Bolivia (Beni); NE-Brazil (Bahia, Alagoas); WC-Brazil (Mato Grosso); SE-Brazil (São Paulo, Rio de Janeiro); S-Brazil (Paraná)

83 BOL PER 84 BRA

Synonyms: hidden

= Dioscorea ainensis R.Knuth; Repert. Spec. Nov. Regni Veg. 29: 93 (1931)

= Dioscorea ferruginicaulis Rusby; Mem. New York Bot. Gard. 7: 217 (1927)

species :

Dioscorea stellaris R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 233 (1924)

Distribution: SE-Brazil (Minas Gerais, Rio de Janeiro)

84 BRA

species :

Dioscorea stemoniodes Prain & Burkill; Bull. Misc. Inform. Kew 1927: 244 (1927)

Distribution: Thailand

41 THA

species :

Dioscorea stenocolpus Phil.; Linnaea 33: 258 (1864 publ. 1865)

Distribution: Chile (Maule, Ñuble, Biobío, Araucanía)

85 CLE

species :

Dioscorea stenomeriflora Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 40 (1914)

Distribution: peninsular Malaysia (Perak southward); +Singapore; Sumatra; Borneo; Sulawesi

42 BOR MLY SNG SUL SUM

Synonyms: hidden

= Peripetasma polyanthum Ridl.; (1920)

species :

Dioscorea stenopetala Hauman; Anales Mus. Nac. Buenos Aires 27: 505 (1916)

Distribution: Argentina (Salta, Tucuman)

85 ARG

Synonyms: hidden

= Dioscorea tucumanensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 199 (1917)

species :

Dioscorea stenophylla Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 83 (1897)

Distribution: WC-Brazil (Goiás); SE-Brazil (Minas Gerais)

84 BRA

Synonyms: hidden

= Dioscorea stenophylla var. paucinervis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 189 (1917)

species :

Dioscorea sterilis O.Weber & Wilkin; Kew Bull. 60(2): 286 (2005)

Distribution: Madagascar

29 MDG

species :

Dioscorea stipulosa Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 94 (1924)

Distribution: South Africa (E-Cape Prov.)

27 SAF

species :

Dioscorea strydomiana Wilkin; Kew Bull. "65(3): 425 (421-433; figs.)" (2011)

Distribution: South Africa (Mpumalanga)

27 SAF

species :

Dioscorea subcalva Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 18 (1914)

Distribution: China (Yunnan, Guangxi, Guizhou, Hunan, Sichuan)

36 CHI

Synonyms: hidden

= Dioscorea subcalva var. submollis (R.Knuth) C.T.Ting & P.P.Ling; Fl. Reipubl. Popularis Sin. 16(1): 85 (1985)

= Dioscorea submollis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 318 (1924)

species :

Dioscorea subhastata Vell.; Fl. Flumin. 10: t. 121 (1825 publ. 1829)

Distribution: Ecuador; Peru; Bolivia (Cochabamba, La Paz); NE-Brazil; SE-Brazil (São Paulo, Rio de Janeiro); S-Brazil (Paraná, Rio Grande do Sul, Santa Catarina); Paraguay (Alto Paraguay, Central, Cordillera, Guaira, Pres. Hayes); Argentina (Chaco, Corrientes)

83 BOL ECU PER 84 BRA 85 ARG PAR

Synonyms: hidden

= Dioscorea guaranitica Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1112 (1903)

= Dioscorea guaranitica f. membranacea Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1112 (1903)

= Dioscorea guaranitica f. subcoriacea Chodat & Hassl.; Bull. Herb. Boissier, Sér. 2, 3: 1112 (1903)

= Dioscorea guaranitica var. balansae Pellegr.; Bull. Soc. Bot. Genève, Sér. 2, 10: 387 (1919)

= Dioscorea piratinyensis R.Knuth; Repert. Spec. Nov. Regni Veg. 22: 346 (1926)

species :

Dioscorea sublignosa R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 304 (1924)

Distribution: +Tanzania

25 TAN

Remarks: status uncertain, probably a cultivar

species :

Dioscorea subnigra R.Knuth; Repert. Spec. Nov. Regni Veg. 36: 126 (1934)

Distribution: Dominican Republic

81 HIS

species :

Dioscorea subtomentosa Miranda; Anales Inst. Biol. Univ. Nac. México 12: 583, 606 (1941)

Distribution: Mexico (Chiapas, Colima, Guerrero, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Sinaloa)

79 MEX

Synonyms: hidden

= Dioscorea alboholosericea Matuda; Bol. Soc. Bot. México 21: 2 (1957)

species :

Dioscorea sumatrana Prain & Burkill; Bull. Misc. Inform. Kew 1931: 90 (1931)

Distribution: Thailand; Sumatra; Borneo

41 THA 42 BOR SUM

species :

Dioscorea sumiderensis B.G.Schub. & O.Téllez; Ann. Missouri Bot. Gard. 78(1): 248 (1991)

Distribution: Mexico (Chiapas)

79 MEX

species :

Dioscorea suratensis R.Knuth; Repert. Spec. Nov. Regni Veg. 28: 87 (1930)

Distribution: Colombia (Santander)

82 CLM

species :

Dioscorea sylvatica (Kunth) Eckl.; S. African Quart. J. 1: 363 (1830), Britten in J. Bot. 46: 200 (1908)

Distribution: Zambia; Zimbabwe; S-Mozambique; South Africa (E-Cape Prov.)

26 MOZ ZAM ZIM 27 SAF

Synonyms: hidden

= Dioscorea hederifolia Griseb.; Fl. Bras. [Martius] 3(1): 42 (1842)

= Dioscorea montana var. duemmeri R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 323 (1924)

= Dioscorea montana var. glauca R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 323 (1924)

= Tamus sylvestris Hort.Berol. ex Kunth; Enum. Pl. [Kunth] 5: 443 (1850)

= Testudinaria sylvatica Hort.Berol. ex Kunth; Enum. Pl. [Kunth] 5: 443 (1850)

variant :

var. brevipes (Burtt Davy) Burkill; J. S. African Bot. 18: 189 (1952)

Distribution: South Africa (Limpopo, Gauteng, Mpulamanga, Free State, KwaZulu-Natal, E-Cape Prov.); Eswatini [Swaziland]

27 SAF SWZ

Synonyms: hidden

= Dioscorea brevipes Burtt Davy; Bull. Misc. Inform. Kew 1924: 232 (1924)

= Testudinaria sylvatica var. brevipes (Burtt Davy) G.D.Rowley; Natl. Cact. Succ. J. 28(1): 6 (1973)

= Dioscorea sylvatica subsp. lydenbergensis Blunden, Hardman & Hind; Bot. J. Linn. Soc. 64(4): 445 (1971)

= Testudinaria sylvatica var. lydenbergensis (Blunden, Hardman & Hind) G.D.Rowley; Repert. Pl. Succ. (I. O. S.) 23: 11 (1972 publ. 1974)

variant :

var. multiflora (Marloth) Burkill; J. S. African Bot. 18: 189 (1952)

Distribution: South Africa (Limpopo, Mpulamanga)

27 SAF

Synonyms: hidden

= Dioscorea marlothii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 321 (1924)

= Testudinaria multiflora Marloth; Trans. Roy. Soc. South Africa 3: 127 (1913)

= Testudinaria sylvatica var. multiflora (Marloth) G.D.Rowley; Natl. Cact. Succ. J. 28(1): 6 (1973)

variant :

var. paniculata (Dümmer) Burkill; J. S. African Bot. 18: 189 (1952)

Distribution: South Africa (KwaZulu-Natal, E-Cape Prov.)

27 SAF

Synonyms: hidden

= Dioscorea montana var. paniculata (Dümmer) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 323 (1924)

= Testudinaria montana var. paniculata (Dümmer) Kuntze; Revis. Gen. Pl. 3(2): 312 (1898)

= Testudinaria paniculata Dümmer; Bull. Misc. Inform. Kew 1912: 195 (1912)

= Testudinaria sylvatica var. paniculata (Dümmer) G.D.Rowley; Natl. Cact. Succ. J. 28(1): 6 (1973)

variant :

var. rehmannii (Baker) Burkill; J. S. African Bot. 18: 189 (1952)

Distribution: South Africa (Limpopo, Mpulamanga, Free State, KwaZulu-Natal)

27 SAF

Synonyms: hidden

= Dioscorea rehmannii Baker; Fl. Cap. [Harvey & auct. succ.] 6: 248 (1896)

= Testudinaria rehmannii (Baker) G.D.Rowley; Natl. Cact. Succ. J. 8: 50 (1953) (in clavi)

= Testudinaria sylvatica var. rehmannii (Baker) G.D.Rowley; Natl. Cact. Succ. J. 28(1): 6 (1973)

species :

Dioscorea synandra Uline; Nat. Pflanzenfam. [Engler & Prantl], Nachtr. 1: 86 (1897)

Distribution: Brazil

84 BRA

species :

Dioscorea syringifolia (Kunth) Kunth & R.H.Schomb. ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 107 (1924)

Distribution: Guyana; French Guiana; Peru

82 FRG GUY 83 PER

Synonyms: hidden

= Helmia syringifolia (Kunth & R.H.Schomb.) Kunth; Enum. Pl. [Kunth] 5: 423 (1850)

species :

Dioscorea tabatae Hatus. ex Yamashita & M.N.Tamura; Acta Phytotax. Geobot. 59(1): 53 (2008)

Distribution: Ryukyu Isl.

38 NNS

species :

Dioscorea tacanensis Lundell; Lloydia 2: 78 (1939)

Distribution: Mexico (Chiapas)

79 MEX

species :

Dioscorea tamarisciflora Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 22 (1914)

Distribution: peninsular Thailand; peninsular Malaysia

41 THA 42 MLY

species :

Dioscorea tamoidea Griseb.; Fl. Bras. [Martius] 3(1): 42 (1842)

subspecies :

subsp. tamoidea

Name: Yam chat, Yam chatte (Haiti)

Distribution: Cuba; Hispaniola (Dominican Republic, Haiti)

81 CUB HIS

subspecies :

subsp. lindenii (Uline ex R.Knuth) Raz; Phytotaxa 258(1): 43 (2016)

Distribution: Cuba

81 CUB

Synonyms: hidden

= Dioscorea tamoidea var. lindenii Uline; Notizbl. Bot. Gart. Berlin-Dahlem 7: 209 (1917)

species :

Dioscorea tamshiyacuensis Ayala; Ann. Missouri Bot. Gard. 68(1): 125 (1981)

Distribution: Peru

83 PER

species :

Dioscorea tancitarensis Matuda; Anales Inst. Biol. Univ. Nac. México 24: 58 (1953)

Distribution: Mexico (Michoacán)

79 MEX

species :

Dioscorea tarijensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 212 (1917)

Distribution: Bolivia (Tarija)

83 BOL

species :

Dioscorea tarmensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 188 (1917)

Distribution: Peru

83 PER

species :

Dioscorea tauriglossum R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 350 (1924)

Distribution: NE-Brazil (Alagoas); SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea tayacajensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 212 (1917)

Distribution: Peru

83 PER

species :

Dioscorea temascaltepecensis R.Knuth; Repert. Spec. Nov. Regni Veg. 40: 223 (1936)

Distribution: Mexico (Guerrero, Mexico State, Michoacán)

79 MEX

species :

Dioscorea tenebrosa C.V.Morton; Publ. Carnegie Inst. Wash., No. 461 (Bot. Maya Area) 247 (1936)

Distribution: Guatemala

80 GUA

species :

Dioscorea tenella Phil.; Fl. Atacam. 51 (1860)

Name: Papa cimarrona (Chile)

Distribution: Chile (Antofagasta, Coquimbo)

85 CLE

species :

Dioscorea tentaculigera Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 15 (1914)

Distribution: China (SW-Yunnan); Myanmar (Mandalay); Thailand

36 CHI 41 MYA THA

species :

Dioscorea tenuifolia Ridl.; J. Straits Branch Roy. Asiat. Soc. 41: 34 (1904)

Distribution: peninsular Thailand; SW-Thailand; Singapore; Sumatra (incl. Bangka Isl.)

41 THA 42 SNG SUM

Synonyms: hidden

= Dioscorea orbiculata var. tenuifolia (Ridl.) Thapyai; Thai Forest Bull., Bot. 33: 197 (2005)

species :

Dioscorea tenuipes Franch. & Sav.; Enum. Pl. Jap. 2: 523 (1878)

Distribution: China (S-Anhui, Fujian, N-Guangdong, S-Hunan, Jiangxi, Zhejiang); North Korea; South Korea; Japan (Honshu, Shikoku, Kyushu); Ryukyu Isl.

36 CHI 38 JAP KOR NKO NNS

Synonyms: hidden

= Dioscorea acrotheca Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 178 (1924) (in syn.)

= Dioscorea maximowiczii Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 178 (1924)

species :

Dioscorea tenuiphyllum R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 76 (1924)

Distribution: WC-Brazil (Mato Grosso)

84 BRA

species :

Dioscorea tenuis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 206 (1917)

Distribution: Chile (Los Lagos)

85 CLE

species :

Dioscorea ternata Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 158 (1875)

Distribution: SE-Brazil (Minas Gerais, Rio de Janeiro)

84 BRA

species :

Dioscorea theresensis (Uline ex R.Knuth) Raz; Phytotaxa 258(1): 39 (2016)

Distribution: Cuba (Isla Teresa)

81 CUB

Remarks: Known only from fragmentary material

Synonyms: hidden

= Rajania theresensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 221 (1917)

species :

Dioscorea therezopolensis Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 211 (1917)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

Synonyms: hidden

= Dioscorea therezopolensis var. latifolia Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 211 (1917)

species :

Dioscorea togoensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 299 (1924)

Distribution: Senegal; Gambia; Guinea; Sierra Leone; Burkina Faso; Ivory Coast; Ghana; Togo; Benin; Nigeria

22 BEN BKN GAM GHA GUI IVO NGA SEN SIE TOG

Synonyms: hidden

= Dioscorea caillei A.Chev. ex De Wild.; Bull. Jard. Bot. État Bruxelles 4: 332 (1914)

species :

Dioscorea tokoro Makino ex Miyabe; Bot. Mag. (Tokyo) 8: 485 (1894)

Distribution: China (S-Anhui, Fujian, Guizhou, S-Henan, Hubei, Hunan, Jiangsu, S-Jiangxi, S-Sichuan, Zhejiang); North Korea; South Korea; Japan (Hokkaido, Honshu, Shikoku, Kyushu)

36 CHI 38 JAP KOR NKO

Synonyms: hidden

= Dioscorea buergeri Uline ex R.Knuth; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73(Suppl.): 11 (1904)

= Dioscorea buergeri var. enneaneura Uline ex Diels; Bot. Jahrb. Syst. 29: 260 (1900)

= Dioscorea enneaneura (Uline ex Diels) Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73(Suppl.): 11 (1904)

= Dioscorea saidae R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 317 (1924)

= Dioscorea wichurae Uline ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 316 (1924)

= Dioscorea yokusaii Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73: Suppl. 10 (1904)

species :

Dioscorea toldosensis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 351 (1924)

Distribution: Bolivia (Tarija); Argentina (Salta)

83 BOL 85 ARG

Synonyms: hidden

= Dioscorea violacea R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 200 (1917) (non Uline)

species :

Dioscorea tomentosa J.Koenig ex Spreng.; Pl. Min. Cogn. Pug. 2: 92 (1815)

Distribution: India (Andhra Pradesh, Bihar, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Odisha, Tamil Nadu); Sri Lanka; Bangladesh; Andaman / Nicobar Isl.; Myanmar (Bago, Mandalay); Cambodia; Vietnam

40 BAN IND SRL 41 CBD MYA VIE

Synonyms: hidden

= Helmia tomentosa (J.Koenig ex Spreng.) Kunth; Enum. Pl. [Kunth] 5: 439 (1850)

species :

Dioscorea torticaulis R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 351 (1924)

Distribution: SE-Brazil (São Paulo)

84 BRA

species :

Dioscorea trachyandra Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 155 (1875)

Distribution: Guyana; WC-Brazil (Mato Grosso); SE-Brazil (Minas Gerais)

82 GUY 84 BRA

species :

Dioscorea trachycarpa Kunth; Nov. Gen. Sp. [H.B.K.] 1: 274 (1816)

Distribution: Guyana

82 GUY

Remarks: insufficiently known species

species :

Dioscorea traillii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 75 (1924)

Distribution: N-Brazil (Amazonas)

84 BRA

species :

Dioscorea transversa R.Br.; Prodr. Fl. Nov. Holland. 295 (1810)

Distribution: New Guinea (Papua New Guinea); Australia (N-Western Australia, N-Northern Territory, E-Queensland, NE-New South Wales)

42 NWG 50 AUS

Synonyms: hidden

= Dioscorea punctata R.Br.; Prodr. Fl. Nov. Holland. 294 (1810)

species :

Dioscorea triandria Sessé & Moc.; Naturaleza (Mexico City), Ser. 2, 1(App.): 172 (1890)

Distribution: Mexico (Aguascalientes, Colima, Durango, Guanajuato, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Puebla, Queretaro, San Luis Potosi, Tamaulipas, Veracruz, Zacatecas)

79 MEX

Synonyms: hidden

= Dioscorea militaris C.B.Rob.; Proc. Amer. Acad. Arts 29: 324 (1894)

species :

Dioscorea trichantha Baker; J. Linn. Soc., Bot. 20: 271 (1883)

Distribution: Madagascar

29 MDG

species :

Dioscorea trichanthera Gleason; Bull. Torrey Bot. Club 52: 182 (1925)

Distribution: Colombia (Guainía); Venezuela (Amazonas, Bolívar); Guyana

82 CLM GUY VEN

species :

Dioscorea trifida L.f.; Suppl. Pl. [Linnaeus f.] 427 (1781 publ. 1782)

Name: Name mapuey, Name morado, Name vino (ES), Cush-cush, Cush-cush yani (Caribbean), lndian yam, Yampee (EN)

Distribution: Guatemala; Honduras; Nicaragua; Costa Rica; Panama; Cuba; Jamaica; Puerto Rico [I]; St. Martin/St. Maarten; St. Barthélémy; Saba; Guadeloupe; Martinique; St. Lucia; St. Vincent; Tobago [I]; Trinidad [I]; Colombia (Amazonas, Antioquia, Boyacá, Chocó, Guainía, Guaviare, Meta, Nariño, Tolima, Vaupés); Venezuela (Amazonas, Anzoategui, Miranda, Monagas); Guyana; Surinam; French Guiana; Ecuador; Peru; Bolivia (Beni, Cochabamba, La Paz, Santa Cruz); N-Brazil (Amazonas, Acre); NE-Brazil; WC-Brazil (Mato Grosso, Goiás); SE-Brazil (Minas Gerais)

80 COS GUA HON NIC PAN 81 CUB GDL JAM MAR pue SAB SBA STL STM STV trt 82 CLM FRG GUY SUR VEN 83 BOL ECU PER 84 BRA

Synonyms: hidden

= Dioscorea affinis Kunth; Enum. Pl. [Kunth] 5: 372 (1850)

= Dioscorea angustifolia Rusby; Bull. Torrey Bot. Club 29: 701 (1902), nom. illeg.

= Dioscorea articulata Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 511 (1841)

= Dioscorea brasiliensis Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 791 (1806)

= Dioscorea goyazensis Griseb.; Fl. Bras. [Martius] 3(1): 41 (1842)

= Dioscorea palmata Juss. ex Pers.; Syn. Pl. [Persoon] 2: 621 (1806)

= Dioscorea quinquelobata Vell.; Fl. Flumin. 10: t. 128 (1825 publ. 1829)

= Dioscorea ruiziana Klotzsch ex Kunth; Enum. Pl. [Kunth] 5: 374 (1850)

= Dioscorea triloba Lam.; Encycl. [J.Lamarck et al.] 3: 234 (1789)

= Dioscorea triloba Willd.; Sp. Pl., ed. 4 [Willdenow] 4: 791 (1806), nom. illeg.

species :

Dioscorea trifoliata Kunth; Nov. Gen. Sp. [H.B.K.] 1: 275 (1815)

Distribution: Panama; Trinidad; Colombia (La Guajira, Magdalena); Venezuela (Amazonas, Aragua, Carabobo, Cojedes, Venezuela Distrito Federal, Falcon, Lara, Miranda, Portuguesa, Yaracuy); Peru; Bolivia (Santa Cruz); N-Brazil (Acre)

80 PAN 81 TRT 82 CLM VEN 83 BOL PER 84 BRA

Synonyms: hidden

= Dioscorea galipanensis Klotzsch ex Kunth; Enum. Pl. [Kunth] 5: 417 (1850)

= Dioscorea trifoliata var. amazonica R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 129 (1924)

= Dioscorea trifoliata var. galipanensis (Kunth) Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 202 (1917)

= Dioscorea triloba H.Karst. ex Kunth; Enum. Pl. [Kunth] 5: 418 (1850), not validly publ.

= Helmia galipanensis Kunth; Enum. Pl. [Kunth] 5: 417 (1850)

= Helmia trifoliata (Kunth) Kunth; Enum. Pl. [Kunth] 5: 417 (1850)

species :

Dioscorea trifurcata Hauman; Anales Mus. Nac. Buenos Aires 27: 482 (1916)

Distribution: Argentina (Catamarca)

85 ARG

species :

Dioscorea trilinguis Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 163 (1875)

Distribution: SE-Brazil (São Paulo, Rio de Janeiro)

84 BRA

Synonyms: hidden

= Dioscorea trilinguis var. edwallii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 218 (1917)

species :

Dioscorea trimenii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 29 (1914)

Distribution: Sri Lanka

40 SRL

species :

Dioscorea trinervia Roxb. ex Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 32 (1914)

Distribution: India (Arunachal Pradesh, Assam, Manipur, Meghalaya, Mizoram, Nagaland); Bangladesh

40 BAN IND

Synonyms: hidden

= Dioscorea trinervia Roxb. ex Wall.; Numer. List [Wallich] no. 5099

species :

Dioscorea trisecta Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 159 (1875)

Distribution: Peru; WC-Brazil (Goiás); SE-Brazil (Minas Gerais, São Paulo); S-Brazil (Paraná, Santa Catarina)

83 PER 84 BRA

Synonyms: hidden

= Helmia grisebachii Kunth; Enum. Pl. [Kunth] 5: 432 (1850)

species :

Dioscorea trollii R.Knuth; Repert. Spec. Nov. Regni Veg. 30: 161 (1932)

Distribution: Bolivia (La Paz)

83 BOL

Conservation Status: known only from type

species :

Dioscorea truncata Miq.; Linnaea 18: 23 (1844), et ex Schomb., Versuch Faun. & Fl. Brit. Guian. 899 (1848) nomen, Prain in Kew Bull.194 (1916), descr.

Distribution: Surinam

82 SUR

species :

Dioscorea tsaratananensis H.Perrier; Mém. Soc. Linn. Normandie, Bot., n. s. 1(1): 20 (1928)

Distribution: Madagascar

29 MDG

species :

Dioscorea tubiperianthia Matuda; Anales Inst. Biol. Univ. Nac. México 24: 55 (1953)

Distribution: Mexico (Guerrero, Mexico State, Michoacán)

79 MEX

species :

Dioscorea tubuliflora Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 189 (1917)

Distribution: SE-Brazil

84 BRA

species :

Dioscorea tubulosa Griseb.; Vidensk. Meddel. Naturhist. Foren. Kjøbenhavn, Ser. 3, 7: 154 (1875)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

species :

Dioscorea uliginosa Phil.; Anales Univ. Chile 93: 12 (1896)

Distribution: Chile (Biobío, Araucanía)

85 CLE

species :

Dioscorea ulinei Greenm. ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 191 (1917)

Distribution: Mexico (Colima, Guanajuato, Guerrero, Hidalgo, Jalisco, Mexico State, Michoacán, Morelos, Nayarit, Oaxaca, Queretaro, Sinaloa, Tamaulipas, Veracruz)

79 MEX

Synonyms: hidden

= Dioscorea ulinei var. longipes Matuda; Anales Inst. Biol. Univ. Nac. México 24: 359 (1954)

species :

Dioscorea urceolata Uline; Bot. Jahrb. Syst. 22: 426 (1896)

Distribution: Mexico (Guerrero, Mexico State, Michoacán, Morelos, Oaxaca, Puebla)

79 MEX

Synonyms: hidden

= Dioscorea urceolata f. atropurpureoloba Matuda; Anales Inst. Biol. Univ. Nac. México 24: 329 (1954)

= Dioscorea urceolata var. reflexa Greenm. ex R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 229 (1924)

species :

Dioscorea urophylla Hemsl.; Biol. Centr.-Amer., Bot. 3: 361 (1884)

Distribution: Mexico (Oaxaca, Veracruz); Honduras; Nicaragua; Costa Rica; Panama; Colombia (Antioquia, Bolívar); Venezuela

79 MEX 80 COS HON NIC PAN 82 CLM VEN

species :

Dioscorea uruapanensis Matuda; Bol. Soc. Bot. México 15: 26 (1953)

Distribution: Mexico (Mexico State, Michoacán, Sinaloa)

79 MEX

species :

Dioscorea valdiviensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 206 (1917)

Distribution: Chile (Araucanía, Los Lagos)

85 CLE

species :

Dioscorea vanvuurenii Prain & Burkill; Bull. Misc. Inform. Kew 1925: 63 (1925)

Distribution: Sulawesi

42 SUL

species :

Dioscorea variifolia Bertero; Mercurio Chileno 13: p. 612, ex Colla, in Mem. Acc. Tor. 39: 12 (1836)

Distribution: Chile (Coquimbo, Valparaíso, Metropolitana de Santiago, O´Higgins, Biobío, Araucanía)

85 CLE

Synonyms: hidden

= Dioscorea acuminata Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 510 (1841), nom. inval.

= Dioscorea microphylla Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 511 (1841), nom. inval.

species :

Dioscorea velutipes Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 10: 19 (1914)

Distribution: China (Guizhou, Yunnan); Myanmar (Shan); N-Thailand

36 CHI 41 MYA THA

species :

Dioscorea vexans Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 456 (1908)

Distribution: Andaman Isl. (South Andamans, Little Andaman Isl.); Nicobar Isl. (Great Nicobar Isl., Little Nicobar Isl.)

41 AND NCB

species :

Dioscorea vilis Kunth; Enum. Pl. [Kunth] 5: 400 (1850)

Distribution: Java

42 JAW

species :

Dioscorea villosa L.; Sp. Pl. [Linnaeus] 2: 1033 (1753)

Name: Wild yam (EN)

Distribution: Canada (Ontario); USA (Alabama, Arkansas, Connecticut, District of Columbia, Delaware, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Michigan, Minnesota, Missouri, Mississippi, North Carolina, Nebraska, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Virginia, Vermont, Wisconsin, West Virginia); Cuba [I]

72 CDN 74 USA 75 USA 77 USA 78 USA 81 cub

Remarks: see also D. quaternata which is frequently included here

Synonyms: hidden

= Dioscorea cliffortiana Lam.; Encycl. [J.Lamarck et al.] 3: 232 (1789)

= Dioscorea hexaphylla Raf.; New Fl. [Rafinesque] 2: 89 (1837)

= Dioscorea hirticaulis Bartlett; Bull. Bur. Pl. Industr. U.S.D.A. 189, 17 (1910)

= Dioscorea lloydiana E.H.L.Krause; Beih. Bot. Centralbl. 32(2): 331 (1914)

= Dioscorea longifolia Raf.; New Fl. [Rafinesque] 2: 89 (1837)

= Dioscorea megaptera Raf.; New Fl. [Rafinesque] 2: 88 (1837)

= Dioscorea paniculata Michx.; Fl. Bor.-Amer. [Michaux] 2: 239 (1803)

= Dioscorea pruinosa Kunth; Enum. Pl. [Kunth] 5: 338 (1850)

= Dioscorea quinata Walter; Fl. Carol. [Walter] 246 (1788)

= Dioscorea repanda Raf.; New Fl. [Rafinesque] 2: 89 (1837), nom. illeg.

= Dioscorea sativa L.; Sp. Pl. [Linnaeus] 2: 1033 (1753), nom. cons.

= Dioscorea villosa subsp. hirticaulis (Bartlett) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 173 (1924)

= Dioscorea villosa subsp. paniculata (Michx.) R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 173 (1924)

= Dioscorea villosa var. hirticaulis (Bartlett) H.E.Ahles; J. Elisha Mitchell Sci. Soc. 80: 172 (1964)

= Dioscorea villosa var. laeviuscula Alph.Wood; Class-book Bot. (ed. 2): 544 (1847)

= Dioscorea waltheri Desf.; Tabl. École Bot., ed. 2, 269 (1815)

= Merione villosa (L.) Salisb.; Gen. Pl. [Salisbury] 12 (1866)

species :

Dioscorea volckmannii Phil.; Linnaea 33: 255 (1864 publ. 1865)

Distribution: Chile (Metropolitana de Santiago, O´Higgins, Maule)

85 CLE

species :

Dioscorea wallichii Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 295 (1892)

Distribution: China (W-Yunnan); NE-India (Andhra Pradesh, Assam, Bihar, Goa, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Manipur, Meghalaya, Odisha, Rajasthan, Tamil Nadu, Uttar Pradesh, West Bengal); Bangladesh; Andaman Isl.; Myanmar (Rakhine, Yangon); Thailand; Laos; N-peninsular Malaysia

36 CHI 40 BAN IND 41 AND LAO MYA THA 42 MLY

Synonyms: hidden

= Dioscorea wallichii var. christiei Prain & Burkill; J. Proc. Asiat. Soc. Bengal 10: 31 (1914)

species :

Dioscorea warburgiana Uline ex Koord.; Meded. Lands Plantentuin 19: 313 (1898), nomen, ex Koord., J. Proc. Asiat. Soc. Bengal, n. s. 4: 456 (1908), descr.

Distribution: Borneo; Sulawesi

42 BOR SUL

Synonyms: hidden

= Dioscorea celebesiana R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 291 (1924)

species :

Dioscorea warmingii R.Knuth; Pflanzenr. [Engler], IV.43, Heft 87 (Dioscor.): 355 (1924)

Distribution: SE-Brazil (Minas Gerais)

84 BRA

Synonyms: hidden

= Dioscorea tenuifolia Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 204 (1917)

species :

Dioscorea wattii Prain & Burkill; J. Proc. Asiat. Soc. Bengal, n. s. 4: 457 (1908)

Distribution: India (Arunachal Pradesh, Assam, Meghalaya, Nagaland, Sikkim, West Bengal); Bangladesh

40 BAN IND

species :

Dioscorea weberbaueri R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 205 (1917)

Distribution: Peru

83 PER

species :

Dioscorea widgrenii R.Knuth; Repert. Spec. Nov. Regni Veg. 21: 79 (1925)

Distribution: SE-Brazil (Rio de Janeiro)

84 BRA

species :

Dioscorea wightii Hook.f.; Fl. Brit. India [J.D.Hooker] 6: 291 (1892)

Distribution: India (Madhya Pradesh, Odisha, Tamil Nadu); Bangladesh; Myanmar (Yangon)

40 BAN IND 41 MYA

species :

Dioscorea wittiana R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 194 (1917)

Distribution: N-Brazil (Amazonas)

84 BRA

species :

Dioscorea wrightii Uline ex R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 208 (1917)

Distribution: Cuba

81 CUB

Conservation Status: threatened (Red List of the Vascular Flora of Cuba)

Synonyms: hidden

= Dioscorea herradurensis (R.Knuth) P.Wilson ex León; Contr. Ocas. Mus. Hist. Nat. Colegio De La Salle 8: 321 (1946)

= Rajania herradurensis R.Knuth; Notizbl. Bot. Gart. Berlin-Dahlem 7: 220 (1917)

species :

Dioscorea xizangensis C.T.Ting; Acta Phytotax. Sin. 20(2): 205 (1982)

Distribution: SE-Tibet

36 TIB

species :

Dioscorea yunnanensis Prain & Burkill; J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73: 186 (1904)

Distribution: China (Yunnan, Guizhou)

36 CHI

species :

Dioscorea zentaroana Koidz.; Pl. Nov. Amami-Ohsim. 14 (1928)

Distribution: Ryukyu Isl. (Amami-oshima)

38 NNS

species :

Dioscorea zingiberensis C.H.Wright; J. Linn. Soc., Bot. 36: 93 (1903)

Distribution: China (Gansu, S-Henan, Hubei, Hunan, S-Shaanxi, Sichuan, Yunnan); Vietnam

36 CHI 41 VIE

Synonyms: hidden

= Dioscorea henryi Uline ex Diels; Bot. Jahrb. Syst. 29: 261 (1900), nom. inval.

species :

Dioscorea ×monandra Hauman; Anales Mus. Nac. Buenos Aires 27: 485 (1916)

Distribution: Argentina (Jujuy, Tucuman)

85 ARG

Remarks: Dioscorea cienegensis x glomerulata

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A complete, synonymic checklist of the Higher Plants of the World

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A complete, synonymic checklist of the Higher Plants of the World

Version 25.10 (Oct. 12th, 2025)

Covering 357,450 accepted species,
8,806 hybrids, 48,075 accepted infraspecific taxa and 1,004,944 synonyms,
**in total 1,419,285* names**

[about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus*" are deliberately omitted]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life

Contact

How to Cite:

Realization

Search

+ Family

Filter

Order

Family (7)

Genus (2)

Display options

A complete, synonymic checklist of the Higher Plants of the World

Version 25.10 (Oct. 12th, 2025)

Covering 357,450 accepted species,8,806 hybrids, 48,075 accepted infraspecific taxa and 1,004,944 synonyms,in total 1,419,285* names

[*about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus" are deliberately omitted]

With complete, detailed distribution data (countries and regions) and literature references

Arranged in linear phylogenetic sequence reflecting true relationships

Fully searchable and continously updated

With 38,209 pictures of 15,787 species

Assembled through 40 years independently from other databases

In cooperation with Catalogue of Life

Covering 357,450 accepted species,
8,806 hybrids, 48,075 accepted infraspecific taxa and 1,004,944 synonyms,
**in total 1,419,285* names**

[about 25,000 dubious, "unplaced" names and about 4,000 invalid names (Art. 24.3) like "typicus*" are deliberately omitted]