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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.
492.8906 Genus Leptactina Hook.f.; Hooker´s Icon. Pl. 11: t. 1092 (1871)
Distribution: Tropical and S-Africa
Species listed in database: 27
= Coleactina N.Hallé; Fl. Gabon 17: 83 (1970)
= Dictyandra Welw. ex Hook.f.; Gen. Pl. [Bentham & Hooker f.] 2: 85 (1873)
species :
Leptactina angolensis (Hutch.) Bull. & Nogueira; Bol. Soc. Brot., Ser. 2, 51: 135 (1977)
Distribution: D. R. Congo [Zaire]; Angola
23 ZAI 26 ANG
Synonyms: hidden
= Heinsia tomentosa Welw. ex Hiern; Cat. Afr. Pl. [Hiern] 1: 455 (1898)
= Randia angolensis Hutch.; Bull. Misc. Inform. Kew 1908: 292 (1908)
species :
Leptactina arborescens (Welw. ex Benth. & Hook.f.) De Block; Taxon 64(1): 91 (2015)
Distribution: Guinea; Sierra Leone; Liberia; Ivory Coast; Ghana; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; D. R. Congo [Zaire]; Uganda; Angola
22 BEN GHA GUI IVO LBR NGA SIE 23 BIO CAF CMN CON EQG GAB ZAI 25 UGA 26 ANG
Synonyms: hidden
= Dictyandra arborescens Welw. ex Hook.f.; Gen. Pl. [Bentham & Hooker f.] 2: 85 (1873)
species :
Leptactina benguelensis (Welw. ex Benth. & Hook.f.) R.D.Good; J. Bot. 64(Suppl.): 2, 9 (1926)
subspecies :
subsp. benguelensis
Distribution: Congo [Brazzaville]; D. R. Congo [Zaire]; Burundi; Tanzania; Angola; Zambia
23 BUR CON ZAI 25 TAN 26 ANG ZAM
Synonyms: hidden
= Heinsia benguelensis Welw. ex Benth. & Hook.f.; Gen. Pl. [Bentham & Hooker f.] 2: 77 (1873)
= Leptactina benguelensis var. glabra R.D.Good; J. Bot. 64(Suppl. 2): 9 (1926)
= Leptactina heinsioides Hiern; Fl. Trop. Afr. [Oliver et al.] 3: 88 (1877)
= Leptactina tetraloba N.E.Br.; Gard. Chron., n. s. 24: 391 (1885)
subspecies :
subsp. pubescens Verdc.; Kew Bull. 33(3): 493 (1979)
Distribution: D. R. Congo [Zaire]; Tanzania; Zambia; Malawi; Zimbabwe; Mozambique
23 ZAI 25 TAN 26 MLW MOZ ZAM ZIM
Synonyms: hidden
= Leptactina lanceolata K.Schum.; Bot. Jahrb. Syst. 23: 433 (1896)
species :
Leptactina congolana (Robbr.) De Block; Taxon 64(1): 91 (2015)
Distribution: Congo [Brazzaville]; D. R. Congo [Zaire]
23 CON ZAI
Synonyms: hidden
= Dictyandra congolana Robbr.; Pl. Syst. Evol. 145: 114 (1984)
species :
Leptactina deblockiae Neuba & Sonké; Adansonia, Sér. 3, 28(2): 374 (2006)
Distribution: Central African Republic
23 CAF
species :
Leptactina delagoensis K.Schum.; Bot. Jahrb. Syst. 28: 60 (1899)
subspecies :
subsp. delagoensis
Distribution: Zimbabwe; Mozambique; South Africa (Limpopo, KwaZulu-Natal); Eswatini [Swaziland]
26 MOZ ZIM 27 SAF SWZ
subspecies :
subsp. bussei (K.Schum. & K.Krause) Verdc.; Kew Bull. 33(3): 493 (1979)
Distribution: Tanzania; Mozambique
25 TAN 26 MOZ
Synonyms: hidden
= Leptactina bussei K.Schum. & K.Krause; Bot. Jahrb. Syst. 39: 523 (1907)
subspecies :
subsp. grandiflora Verdc.; Fl. Zambes. 5(3): 541 (2003)
Distribution: Malawi; Mozambique
26 MLW MOZ
species :
Leptactina densiflora Hook.f.; Hooker´s Icon. Pl. 11: 74, sub t. 1092 (1871)
Distribution: Guinea; Sierra Leone; Liberia; Ivory Coast; Ghana; Benin; Nigeria; Congo [Brazzaville]; Central African Republic
22 BEN GHA GUI IVO LBR NGA SIE 23 CAF CON
Synonyms: hidden
= Leptactina densiflora var. glabra Hutch. & Dalziel; Fl. W. Trop. Afr. [Hutchinson & Dalziel] 2: 84 (1931)
species :
Leptactina epinyctios Bullock ex Verdc.; Kew Bull. 33(3): 495 (1979)
Distribution: D. R. Congo [Zaire]; Zambia
23 ZAI 26 ZAM
species :
Leptactina euclinioides K.Schum.; Bot. Jahrb. Syst. 23: 431 (1896)
Distribution: Angola
26 ANG
Remarks: known only from destroyed type collection
species :
Leptactina formosa K.Schum.; Bot. Jahrb. Syst. 23: 431 (1896)
Distribution: Gabon; Congo [Brazzaville]; Central African Republic; D. R. Congo [Zaire]; Angola
23 CAF CON GAB ZAI 26 ANG
Synonyms: hidden
= Leptactina baudonii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 2: 156 (1907)
= Leptactina leopoldi-secundi Büttner; Verh. Bot. Vereins Prov. Brandenburg 31: 75 (1889), nom. inval.
species :
Leptactina gloeocalyx K.Schum.; Bot. Jahrb. Syst. 33: 341 (1903)
Distribution: D. R. Congo [Zaire]
23 ZAI
Remarks: status uncertain, insufficiently known
species :
Leptactina involucrata Hook.f.; Hooker´s Icon. Pl. 11: 74, sub t. 1092 (1871)
Distribution: Sierra Leone; Ghana; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Gabon; Equatorial Guinea; Central African Republic; D. R. Congo [Zaire]
22 GHA NGA SIE 23 BIO CAF CMN EQG GAB ZAI
Synonyms: hidden
= Dictyandra involucrata (Hook.f.) Hiern; Fl. Trop. Afr. [Oliver et al.] 3: 86 (1877)
= Oxyanthus pulcher K.Schum.; Bot. Jahrb. Syst. 28: 65 (1899)
species :
Leptactina latifolia K.Schum.; Bot. Jahrb. Syst. 23: 432 (1896)
Distribution: Cameroon; Gabon
23 CMN GAB
Conservation Status: IUCN EN (Cameroon)
species :
Leptactina laurentiana Dewèvre; Bull. Soc. Roy. Bot. Belgique 33: 102 (1894 publ. 1895), nomen, et 34: 95 (1895)
Distribution: Cameroon; Gabon; Congo [Brazzaville]; D. R. Congo [Zaire]
23 CMN CON GAB ZAI
Synonyms: hidden
= Oxyanthus leptactina Wernham; J. Bot. 57: 313 (1919)
variant :
var. seretii (De Wild.) Neuba; Adansonia, Sér. 3, 36(1): 130 (2014)
Distribution: Cameroon; Gabon; D. R. Congo [Zaire]
23 CMN GAB ZAI
Synonyms: hidden
= Leptactina seretii De Wild.; Miss. Ém. Laurent 1: 280 (1906)
species :
Leptactina liebrechtsiana De Wild. & T.Durand; Bull. Herb. Boissier, Sér. 2, 1: 27 (1900)
Distribution: Congo [Brazzaville]; D. R. Congo [Zaire]; Angola
23 CON ZAI 26 ANG
variant :
var. mollis Robbr.; Syst. & Geogr. Pl. 69(1): 131 (1999)
Distribution: D. R. Congo [Zaire]
23 ZAI
species :
Leptactina mannii Hook.f.; Hooker´s Icon. Pl. 11: t. 1092 (1871)
subspecies :
subsp. mannii
Distribution: Cameroon; Gabon; Equatorial Guinea; Congo [Brazzaville]; Martinique [I]
23 CMN CON EQG GAB 81 mar
subspecies :
subsp. arnoldiana (De Wild.) Neuba ex Figueiredo, Bot.J.Linn.Soc.154: 467 (2007)
Distribution: Cameroon; Equatorial Guinea; Gabon; Congo [Brazzaville]; Cabinda; D. R. Congo [Zaire]
23 CAB CMN CON EQG GAB ZAI
Synonyms: hidden
= Leptactina arnoldiana De Wild.; Miss. Ém. Laurent 1: 279 (1906)
= Leptactina arnoldiana var. pubinervis Pellegr.; Fl. Mayombe 3: 11 (1924)
species :
Leptactina oxyloba K.Schum.; Bot. Jahrb. Syst. 28: 488 (1900)
Distribution: Tanzania
25 TAN
species :
Leptactina papalis (N.Hallé) De Block; Taxon 64(1): 91 (2015)
Distribution: Gabon; Congo [Brazzaville]
23 CON GAB
Synonyms: hidden
= Coleactina papalis N.Hallé; Fl. Gabon 17: 83 (1970)
species :
Leptactina papyrophloea Verdc.; Kew Bull. 36(3): 506 (1981)
Distribution: Tanzania
25 TAN
species :
Leptactina platyphylla (Hiern) Wernham; J. Bot. 51: 278 (1913)
Distribution: Cameroon; Congo [Brazzaville]; Central African Republic; D. R. Congo [Zaire]; Rwanda; Burundi; South Sudan; Uganda; Kenya; Tanzania; Angola; Zambia; Malawi; Mozambique
23 BUR CAF CMN CON RWA ZAI 24 SSU 25 KEN TAN UGA 26 ANG MLW MOZ ZAM
Conservation Status: IUCN NT (Cameroon)
Synonyms: hidden
= Leptactina adolfi-friederici K.Krause; Wiss. Ergebn. Deut. Zentr.-Afr. Exped. (1907-1908), Bot. 2: 317 (1911)
= Mussaenda platyphylla Hiern; Fl. Trop. Afr. [Oliver et al.] 3: 70 (1877)
= Leptactina surongaensis De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 2: 73 (1907)
variant :
var. hexamera (K.Schum.) Neuba; Adansonia, Sér. 3, 36(1): 135 (2014)
Distribution: Kenya; Tanzania; Malawi; Mozambique
25 KEN TAN 26 MLW MOZ
Synonyms: hidden
= Leptactina hexamera K.Schum.; Bot. Jahrb. Syst. 33: 341 (1903)
species :
Leptactina polyneura K.Krause; Bot. Jahrb. Syst. 48: 409 (1912)
Distribution: Equatorial Guinea
23 EQG
Remarks: status uncertain, insufficiently known
species :
Leptactina pretrophylax K.Schum.; Kunene-Sambesi-Exped. [Warburg] 383 (1903)
Distribution: Angola
26 ANG
species :
Leptactina prostrata K.Schum.; Kunene-Sambesi-Exped. [Warburg] 382 (1902)
Distribution: Angola
26 ANG
Synonyms: hidden
= Heinsia gossweileri Wernham; J. Bot. 55: 78 (1917)
species :
Leptactina pynaertii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 2: 344 (1908)
Distribution: Cameroon; Equatorial Guinea; Gabon; Congo [Brazzaville]; Central African Republic; Cabinda; D. R. Congo [Zaire]
23 CAB CAF CMN CON EQG GAB ZAI
Synonyms: hidden
= Leptactina tessmannii K.Krause; Bot. Jahrb. Syst. 48: 409 (1912)
species :
Leptactina rheophytica Sonké & Neuba; Bot. J. Linn. Soc. 153(2): 110 (2007)
Distribution: Equatorial Guinea
23 EQG
species :
Leptactina schubotziana K.Krause; Wiss. Ergebn. Deut. Zentr.-Afr. Exped. (1907-1908), Bot. 2: 317 (1911)
Distribution: D. R. Congo [Zaire]
23 ZAI
Remarks: status uncertain, insufficiently known
species :
Leptactina senegambica Hook.f.; Hooker´s Icon. Pl. 11: 74 (1871)
Distribution: Guinea; Sierra Leone; SW-Mali; Congo [Brazzaville]
22 GUI MLI SIE 23 CON
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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