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492.0000 Family Rubiaceae Juss.; Gen. Pl. [Jussieu] 196 (1789), nom. cons.
589 genera, ca. 14.200 spp. mostly tropics, comparably few temperate. Phylogeny: Razafimandimbison & Rydin (2024)
Species listed in database: 14370; hybrids: 47
= Aparinaceae Hoffmanns. & Link; Fl. Portug. [Hoffmannsegg] 2: 3, 38 (1813-1829)
= Asperulaceae Cham. ex Spenn.; Handb. Angew. Bot. 2: 493 (1835)
= Catesbaeaceae Martinov; Tekhno-Bot. Slovar 111 (1820)
= Cephalanthaceae Raf.; Ann. Gén. Sci. Phys. 6: 86 (1820)
= Cinchonaceae Batsch; Tab. Affin. Regni Veg. 234 (1802)
= Coffeaceae Batsch; Tab. Affin. Regni Veg. 233 (1802)
= Coutareaceae Martinov; Tekhno-Bot. Slovar 168 (1820)
= Dialypetalanthaceae Rizzini & Occhioni; Lilloa 17: 253 (1948), nom. cons.
= Galiaceae Lindl.; Intr. Nat. Syst. Bot., ed. 2: 249 (1836)
= Gardeniaceae Dumort.; Anal. Fam. Pl. 29, 32 (1829)
= Guettardaceae Batsch; Tab. Affin. Regni Veg. 235 (1802)
= Hameliaceae Mart.; Consp. Regn. Veg. [Martius] 31 (1835)
= Hedyotidaceae Dumort.; Commentat. Bot. [Dumortier] 57 (1822)
= Henriqueziaceae Bremek.; Acta Bot. Neerl. 6 (Meded. Bot. Mus. Herb. Rijks Univ. Utrecht 141): 371 (1957)
= Houstoniaceae Raf.; Good Book 21 (1840)
= Hydrophylacaceae Martinov; Tekhno-Bot. Slovar 318 (1820)
= Lippayaceae Meisn.; Pl. Vasc. Gen. [Meisner], Tab. Diagn. 156, Comm. 112 (1838)
= Lygodisodeaceae Bartl.; Ord. Nat. Pl. 123, 207 (1830)
= Naucleaceae Wernham; New Phytol. 11: 225 (1912)
= Nonateliaceae Martinov; Tekhno-Bot. Slovar 420 (1820)
= Operculariaceae Juss. ex Perleb; Vers. Arzneikr. Pfl. 207 (1818)
= Pagamaeaceae Martinov; Tekhno-Bot. Slovar 447 (1820)
= Psychotriaceae F.Rudolphi; Syst. Orb. Veg. 49 (1830)
= Randiaceae Martinov; Tekhno-Bot. Slovar 534 (1820)
= Sabiceaceae Martinov; Tekhno-Bot. Slovar 555 (1820)
= Spermacoceaceae Bercht. & J.Presl; Přir. Rostlin 256 (1820)
= Theligonaceae Dumort.; Anal. Fam. Pl. 15, 17 (1829), nom. cons.
492.2801 Genus Danais Comm. ex Vent.; Tabl. Règn. Vég. 2: 584 (1799)
Distribution: Tanzania (1), Madagascar (34), Comores, Mascarenes. Revision: Taylor et al. (2024)
Species listed in database: 49
= Alleizettea Dubard & Dop; J. Bot. [Morot] 1910-13, Ser. II. 3: 6 (1925)
species :
Danais andribensis Homolle; Notul. Syst. (Paris) 5: 279 (1936)
Distribution: Madagascar
29 MDG
species :
Danais antilahimenae C.M.Taylor; Candollea 68(1): 169 (2013)
Distribution: Madagascar
29 MDG
species :
Danais aptera Wedd. ex Homolle; Notul. Syst. (Paris) 5: 279 (1936)
Distribution: Madagascar (E-Madagascar)
29 MDG
Remarks: poorly known, collected only once
species :
Danais aurantiaca Homolle; Notul. Syst. (Paris) 5: 280 (1936)
Distribution: Madagascar
29 MDG
species :
Danais baccata Homolle; Notul. Syst. (Paris) 5: 280 (1936)
Distribution: Madagascar (Fianarantsoa)
29 MDG
species :
Danais baronii Homolle; Notul. Syst. (Paris) 5: 281 (1936)
Distribution: Madagascar (N-Madagascar)
29 MDG
Remarks: poorly known, collected only once
species :
Danais breviflora Baker; J. Linn. Soc., Bot. 20: 163 (1884)
Distribution: Madagascar
29 MDG
species :
Danais brickavillensis J.-F.Leroy ex Puff & R.Buchner; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 16(1): 27 (1994)
Distribution: Madagascar
29 MDG
species :
Danais capituliformis Homolle; Notul. Syst. (Paris) 5: 282 (1936)
Distribution: Madagascar
29 MDG
species :
Danais cernua Baker; J. Bot. 20: 137 (1882)
Distribution: Madagascar (widespread)
29 MDG
Synonyms: hidden
= Danais cernua var. ternata (Baker) Boiteau; Bull. Trimestriel Acad. Malgache, n. s. 24: 7 (1941), nom. inval.
= Danais gerrardii Baker; J. Linn. Soc., Bot. 20: 160 (1884)
= Danais ternata Baker; J. Linn. Soc., Bot. 20: 162 (1884)
species :
Danais coerulea Homolle ex Cavaco; Bull. Mus. Natl. Hist. Nat., Ser. 2, 37(4): 718 (1966)
Distribution: Madagascar (Antsiranana)
29 MDG
species :
Danais comorensis Drake ex Cavaco; Adansonia, Sér. 2, 8: 387 (1968)
Distribution: Comores (Mayotte, etc.)
29 COM
Synonyms: hidden
= Danais comorensis Drake; Bull. Soc. Bot. France 45 (6-8): 348 (1898 publ. 1899)
species :
Danais confusa C.M.Taylor; Candollea 79: 248 (2024), nom. nov.
Distribution: Madagascar (N-Madagascar)
29 MDG
Remarks: poorly known, known only from type
Synonyms: hidden
= Sabicea verticillata Wernham; Monogr. Sabicea 74 (1914)
species :
Danais coriacea C.M.Taylor; Candollea 79: 249 (2024)
Distribution: Madagascar (Antsiranana)
29 MDG
Remarks: known only from three recent collections
species :
Danais coronata (Pers.) Steud.; Nomencl. Bot. [Steudel], ed. 1, 1: 263 (1821)
Distribution: Madagascar
29 MDG
Synonyms: hidden
= Danais fragrans var. coronata Pers.; Syn. Pl. [Persoon] 1: 198 (1805)
= Danais littoralis Homolle; Notul. Syst. (Paris) 5: 285 (1936)
= Danais purpurea Homolle; Notul. Syst. (Paris) 5: 287 (1936)
species :
Danais corymbosa Balf.f.; Philos. Trans. Roy. Soc. London 168: 345 (1879)
Distribution: +Rodrigues
29 ROD
species :
Danais dauphinensis Cavaco; Adansonia, Sér. 2, 5: 439 (1965)
Distribution: Madagascar
29 MDG
species :
Danais disticha C.M.Taylor; Candollea 68(1): 171 (2013)
Distribution: Madagascar
29 MDG
species :
Danais distinctinervia Homolle; Notul. Syst. (Paris) 5: 283 (1936)
Distribution: Madagascar
29 MDG
species :
Danais fragrans (Lam.) Pers.; Syn. Pl. [Persoon] 1: 198 (1805)
Distribution: Mauritius; La Réunion
29 MAU REU
Remarks: not in Madagascar
Synonyms: hidden
= Cinchona afroinda Willemet; Ann. Bot. [Usteri] 18: 16 (1796)
= Cinchona chlorrhiza Bory ex DC.; Prodr. [A.P. de Candolle] 4: 361 (1830)
= Cinchona cladorrhiza Bory ex Wedd.; Hist. Nat. Quinquinas 72 (1849)
= Cinchona stadtmannii J.V.Thomps.; Cat. Exotic Pl. Mauritius, ed. 2: 8 (1822), nom. superfl.
= Cunninghamia verticillata Willd.; Sp. Pl., ed. 4 [Willdenow] 1: 615 (1798)
= Danais denudata Pers.; Syn. Pl. [Persoon] 1: 198 (1805), nom. illeg. superfl.
= Danais laxiflora DC.; Prodr. [A.P. de Candolle] 4: 361 (1830)
= Danais nodulosa Drake; Bull. Soc. Bot. France 45: 350 (1898 publ. 1899)
= Danais pyrifolia J.St.-Hil.; Expos. Fam. Nat. 1: 438 (1805)
= Danais rotundifolia Poir.; Encycl. [J.Lamarck et al.], Suppl. 2: 450 (1812)
= Guettarda verticillata Baill.; Hist. Pl. [Baillon] 7: 377 (1880)
= Paederia fragrans Lam.; Encycl. [J.Lamarck et al.] 2: 260 (1786)
species :
Danais gracilis C.M.Taylor; Candollea 79: 254 (2024)
Distribution: Madagascar (Toamasina)
29 MDG
Remarks: known only from two recent collections
species :
Danais hispida Baker; J. Linn. Soc., Bot. 20: 161 (1884)
Distribution: Madagascar (C-Madagascar)
29 MDG
species :
Danais humblotii Homolle; Notul. Syst. (Paris) 5: 283 (1936)
Distribution: Madagascar; Comores
29 COM MDG
species :
Danais laciniata C.M.Taylor; Candollea 68(1): 174 (2013)
Distribution: Madagascar
29 MDG
species :
Danais ligustrifolia Baker; J. Linn. Soc., Bot. 20: 162 (1884)
Distribution: Madagascar
29 MDG
species :
Danais longipedunculata Homolle; Notul. Syst. (Paris) 5: 285 (1936)
Distribution: Madagascar (Toamasina)
29 MDG
Synonyms: hidden
= Danais masoalana C.M.Taylor; Candollea 68(1): 175 (2013)
species :
Danais lyallii Baker; J. Linn. Soc., Bot. 22: 481 (1887)
Distribution: Madagascar (widespread)
29 MDG
Synonyms: hidden
= Danais obovata Drake; Bull. Soc. Bot. France 45 (6-8): 348 (1898 publ. 1899)
species :
Danais magna Puff & R.Buchner; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 16(1): 37 (1994)
Distribution: Madagascar
29 MDG
species :
Danais microcarpa Baker; J. Linn. Soc., Bot. 20: 163 (1884)
Distribution: Madagascar
29 MDG
species :
Danais nigra Homolle; Notul. Syst. (Paris) 5: 286 (1936)
Distribution: Madagascar (Antsiranana)
29 MDG
species :
Danais ovata C.M.Taylor; Candollea 79: 259 (2024)
Distribution: Madagascar (Toamasina)
29 MDG
species :
Danais pauciflora Baker; J. Linn. Soc., Bot. 20: 162 (1884)
Distribution: Madagascar
29 MDG
species :
Danais perrieri Homolle; Notul. Syst. (Paris) 5: 286 (1936)
Distribution: Madagascar (Toamasina, Fianarantsoa)
29 MDG
species :
Danais pubescens Baker; J. Linn. Soc., Bot. 20: 164 (1884)
Distribution: Madagascar
29 MDG
Synonyms: hidden
= Danais argentea Cavaco; Adansonia, Sér. 2, 8: 386 (1968)
= Danais nummularifolia Baker; J. Linn. Soc., Bot. 22: 481 (1887)
= Danais pubescens f. brevipetiolata Cavaco; Adansonia, Sér. 2, 8: 387 (1968)
= Danais pubescens f. glabra Cavaco; Adansonia, Sér. 2, 8: 387 (1968)
species :
Danais puffiana Razafim. & C.M.Taylor; Candollea 79: 262 (2024)
Distribution: Madagascar (Toamasina)
29 MDG
species :
Danais rakotovaoi C.M.Taylor; Candollea 68(1): 176 (2013)
Distribution: Madagascar
29 MDG
species :
Danais randrianaivoi C.M.Taylor; Candollea 68(1): 177 (2013)
Distribution: Madagascar
29 MDG
species :
Danais reticulata C.M.Taylor; Candollea 79: 265 (2024)
Distribution: Madagascar (Toliara, Fianarantsoa)
29 MDG
species :
Danais rhamnifolia Baker; J. Linn. Soc., Bot. 20: 164 (1884)
Distribution: Madagascar
29 MDG
Synonyms: hidden
= Danais chapelieri Drake; Bull. Soc. Bot. France 45 (6-8): 347 (1898 publ. 1899)
species :
Danais rubra Puff & R.Buchner; Bull. Mus. Natl. Hist. Nat., B, Adansonia, Sér. 4, 16(1): 32 (1994)
Distribution: Madagascar
29 MDG
species :
Danais sambiranensis C.M.Taylor; Candollea 79: 267 (2024)
Distribution: Madagascar (Antsiranana)
29 MDG
species :
Danais schatzii C.M.Taylor; Candollea 79: 269 (2024)
Distribution: Madagascar (Toamasina)
29 MDG
species :
Danais sulcata Pers.; Syn. Pl. [Persoon] 1: 198 (1805)
Distribution: +Mauritius
29 MAU
Synonyms: hidden
= Danais thouarsii Drake; Bull. Soc. Bot. France 45 (6-8): 350 (1898 publ. 1899)
species :
Danais terminalis Boivin ex Drake; Bull. Soc. Bot. France 45(6-8): 350 (1898 publ. 1899)
Distribution: Madagascar (Toamasina)
29 MDG
species :
Danais tsaratananensis Homolle; Notul. Syst. (Paris) 5: 287 (1936)
Distribution: Madagascar
29 MDG
Synonyms: hidden
= Danais humbertii Cavaco; Adansonia, Sér. 2, 5: 439 (1965)
species :
Danais verticillata Baker; J. Linn. Soc., Bot. 20: 164 (1884)
Distribution: Madagascar
29 MDG
species :
Danais vestita Baker; J. Linn. Soc., Bot. 21: 408 (1886)
Distribution: Madagascar
29 MDG
species :
Danais volubilis Baker; J. Linn. Soc., Bot. 20: 161 (1884)
Distribution: Madagascar
29 MDG
Synonyms: hidden
= Alleizettea bracteata Dubard & Dop; J. Bot. [Morot] Sér. 2, 3: 6 (1910-1913 publ. 1925)
= Danais clematidea Drake; Bull. Soc. Bot. France 45 (6-8): 347 (1898 publ. 1899)
= Danais latisepala Homolle; Notul. Syst. (Paris) 5: 284 (1936)
= Danais longiflora Homolle; Notul. Syst. (Paris) 5: 284 (1936)
species :
Danais xanthorrhoea (K.Schum.) Bremek.; Kew Bull. [3]: 190 (1948)
Distribution: Tanzania
25 TAN
Synonyms: hidden
= Pentas xanthorrhoea (K.Schum.) Bremek.; Bot. Jahrb. Syst. 71: 224 (1940)
= Urophyllum xanthorrhoeum K.Schum.; Bot. Jahrb. Syst. 28: 58 (1899)
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A complete, synonymic checklist of the Higher Plants of the World


Version 26.08 (August 2nd, 2026)

Covering 360,349 accepted species,
8,927 hybrids, 47,544 accepted infraspecific taxa and 1,011,667 synonyms,
in total 1,428,487* names

[*about 20,000 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