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512.0000 Family Acanthaceae Juss.; Gen. Pl. [Jussieu] 102 (1789) (´Acanthi´), nom. cons.
ca. 192 genera, ca. 5500 spp. Phylogeny: Manzitto-Tripp et al. 2022
Species listed in database: 5597
= Avicenniaceae Miq.; Pl. Preiss. [J.G.C.Lehmann] 1: 353 (1845), nom. cons.
= Justiciaceae Raf.; Fl. Tellur. 4: 60 (1838)
= Mendonciaceae Bremek.; Proc. Kon. Ned. Akad. Wetensch. C 56: 540 (1954)
= Meyeniaceae Sreem.; Phytologia 37: 412 (1977)
= Nelsoniaceae (Nees) Sreem.; Phytologia 37: 412 (1977)
= Thunbergiaceae Lilja; Skånes Fl., ed. 2: 979 (1870)
512.5112 Genus Cryptacanthus I.Darbysh. & Kiel; Kew Bull. 80(3): 581 (2025)
Distribution: trop. Africa
Species listed in database: 6
species :
Cryptacanthus bakossii I.Darbysh.; Kew Bull. 80(3): 590 (2025)
Distribution: SW-Cameroon
23 CMN
species :
Cryptacanthus ebo I.Darbysh.; Kew Bull. 80(3): 593 (2025)
Distribution: W-Cameroon
23 CMN
species :
Cryptacanthus obovatus I.Darbysh.; Kew Bull. 80(3): 588 (2025)
Distribution: S-Cameroon
23 CMN
species :
Cryptacanthus obtusifolius (Heine) I.Darbysh. & Kiel; Kew Bull. 80(3): 584 (2025)
Distribution: Liberia; Ivory Coast; Ghana
22 GHA IVO LBR
Synonyms: hidden
= Rhinacanthus obtusifolius (Heine) I.Darbysh.; Kew Bull. 61(3): 415 (2006)
= Rhinacanthus virens var. obtusifolius Heine; Kew Bull. 16: 180 (1962)
species :
Cryptacanthus tenuipes (S.Moore) I.Darbysh. & Kiel; Kew Bull. 80(3): 584 (2025)
Distribution: S-Nigeria; SW-Cameroon
22 NGA 23 CMN
Synonyms: hidden
= Justicia tenuipes S.Moore; Cat. Pl. Oban [Rendle et al.] 82 (1913)
= Rhinacanthus tenuipes (S.Moore) Aké Assi; Encycl. Biol. 61: 172 (1964)
species :
Cryptacanthus virens (Nees) I.Darbysh. & Kiel; Kew Bull. 80(3): 582 (2025)
Distribution: Guinea; Sierra Leone; Liberia; Ivory Coast; Ghana; Togo; Benin; Nigeria; Cameroon; Bioko Isl. [Fernando Poo]; Principe Isl.; Gabon; Congo [Brazzaville]; Central African Republic; D. R. Congo [Zaire]; Uganda; NW-Tanzania; N-Angola; NW-Zambia
22 BEN GHA GUI IVO LBR NGA SIE TOG 23 BIO CAF CMN CON GAB PRI ZAI 25 TAN UGA 26 ANG ZAM
Synonyms: hidden
= Leptostachya virens Nees; Prodr. [A.P. de Candolle] 11: 378 (1847)
= Pseuderanthemum lindavianum De Wild. & T.Durand; Bull. Soc. Roy. Bot. Belgique, Compt.-Rend. 38: 104 (1899)
= Rhinacanthus dewevrei De Wild. & T.Durand; Bull. Soc. Roy. Bot. Belgique 38(1. Compt. Rend.): 105 (1899)
= Rhinacanthus minimus S.Moore; J. Bot. 58: 47 (1920)
= Rhinacanthus parviflorus T.Anderson ex De Wild. & T.Durand; Bull. Soc. Roy. Bot. Belgique 38(1. Compt. Rend.): 106 (1899)
= Rhinacanthus subcaudatus C.B.Clarke; Fl. Trop. Afr. [Oliver et al.] 5: 225 (1900)
= Rhinacanthus virens (Nees) Milne-Redh.; Cat. Vasc. Pl. S. Tomé [Exell] 37 (1956)
= Siphonoglossa rubra S.Moore; J. Bot. 44: 88 (1906)
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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