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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.
492.7506 Genus Bullockia (Bridson) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Distribution: Tropical E-Africa, 1 to KwaZulu-Natal
Species listed in database: 6
species :
Bullockia dyscritos (Bullock) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Distribution: Kenya; Tanzania
25 KEN TAN
Synonyms: hidden
= Canthium dyscriton Bullock; Bull. Misc. Inform. Kew 1936: 478 (1936)
species :
Bullockia fadenii (Bridson) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Distribution: Kenya
25 KEN
Synonyms: hidden
= Canthium fadenii Bridson; Kew Bull. 42(3): 632 (1987)
species :
Bullockia impressinervia (Bridson) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Distribution: Tanzania
25 TAN
Synonyms: hidden
= Canthium impressinervium Bridson; Kew Bull. 42(3): 633 (1987)
species :
Bullockia mombazensis (Baill.) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Distribution: Somalia; Kenya; Tanzania; Mozambique
24 SOM 25 KEN TAN 26 MOZ
Synonyms: hidden
= Canthium diplodiscus (K.Schum.) Bullock; Bull. Misc. Inform. Kew 1932: 387 (1932)
= Canthium greenwayi Bullock; Bull. Misc. Inform. Kew 1932: 387 (1932)
= Canthium inopinatum Bullock; Bull. Misc. Inform. Kew 1932: 389 (1932)
= Canthium mombazense Baill.; Adansonia 12: 188 (1878)
= Canthium pallidum (K.Schum.) Bullock; Bull. Misc. Inform. Kew 1932: 387 (1932)
= Plectronia diplodiscus K.Schum.; Pflanzenw. Ost-Afrikas [Engler] C 385 (1895)
= Plectronia pallida K.Schum.; Bot. Jahrb. Syst. 28: 77 (1899)
species :
Bullockia pseudosetiflora (Bridson) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Distribution: Ethiopia; Uganda; Kenya; Tanzania
24 ETH 25 KEN TAN UGA
Synonyms: hidden
= Canthium pseudosetiflorum Bridson; Kew Bull. 42(3): 635 (1987)
species :
Bullockia setiflora (Hiern) Razafim., Lantz & B.Bremer; Ann. Missouri Bot. Gard. 96(1): 175 (2009)
Name: Rough-leaved Rock Alder
Distribution: Kenya; Tanzania; Malawi; Zimbabwe; Mozambique; South Africa (Limpopo, Mpulamanga, KwaZulu-Natal); Eswatini [Swaziland]
25 KEN TAN 26 MLW MOZ ZIM 27 SAF SWZ
Synonyms: hidden
= Bullockia setiflora subsp. telidosma (K.Schum.) Gereau; Novon 31(1): 178 (2023)
= Canthium microcodon S.Moore; J. Linn. Soc., Bot. 40: 87 (1911)
= Canthium setiflorum Hiern; Fl. Trop. Afr. [Oliver et al.] 3: 134 (1877)
= Canthium setiflorum subsp. telidosma (K.Schum.) Bridson; Kew Bull. 42(3): 634 (1987)
= Canthium telidosma (K.Schum.) S.Moore; J. Linn. Soc., Bot. 40: 88 (1911)
= Plectronia setiflora (Hiern) K.Schum.; Pflanzenw. Ost-Afrikas [Engler] C 385 (1895)
= Plectronia telidosma K.Schum.; Bot. Jahrb. Syst. 23: 460 (1897)
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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