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342.0000 Family Euphorbiaceae A.Juss.; Gen. Pl. [Jussieu] 384 (1789), nom. cons. (s. str.)
210 genera, ca. 6700 spp.
Species listed in database: 6532; hybrids: 56
= Acalyphaceae A.Juss. ex Menge; Cat. Pl. Grudent. Gedan. 172 (1839)
= Bertyaceae J.Agardh; Theoria Syst. Pl. 190 (1858)
= Cheilosaceae Doweld; Tent. Syst. Pl. Vasc.: xxxi (2001)
= Crotonaceae J.Agardh; Theoria Syst. Pl. 258 (1858)
= Hippomanaceae J.Agardh; Theoria Syst. Pl. 244 (1858)
= Mercurialaceae Bercht. & J.Presl; Přir. Rostlin 237 (1820)
= Ricinaceae Martinov; Tekhno-Bot. Slovar 547 (1820)
= Ricinocarpaceae Hurus.; J. Fac. Sci. Univ. Tokyo, Sect. 3, Bot. 6: 224 (1954)
= Tithymalaceae Vent.; Tabl. Règn. Vég. 3: 483 (1799)
= Tragiaceae Raf.; Fl. Tellur. 4: 111 (1838)
= Trewiaceae Lindl.; Intr. Nat. Syst. Bot., ed. 2: 174 (1836)
342.2502 Genus Crotonogyne Müll.Arg.; Flora 47: 535 (1864)
Distribution: Tropical W- and C-Africa. There are quite different species concepts (lumping vs. splitting)
Species listed in database: 11
= Neomanniophyton Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 115 (1912)
species :
Crotonogyne caterviflora N.E.Br.; J. Linn. Soc., Bot. 37: 114 (1905)
Distribution: Guinea; Liberia; Ivory Coast
22 GUI IVO LBR
Synonyms: hidden
= Crotonogyne chevalieri (Beille) Keay; Kew Bull. [10]: 139 (1955)
= Neomanniophyton caterviflorum (N.E.Br.) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 118 (1912)
= Neomanniophyton chevalieri Beille; Mém. Soc. Bot. France 8: 295 (1914 publ. 1917)
species :
Crotonogyne congolensis (J.Léonard) Breteler; Pl. Ecol. Evol. 151(3): 360 (2018)
Distribution: Congo [Brazzaville]; D. R. Congo [Zaire]
23 CON ZAI
Synonyms: hidden
= Crotonogyne manniana subsp. congolensis J.Léonard; Bull. Jard. Bot. État Bruxelles 25: 285 (1955)
species :
Crotonogyne gabunensis Pax; Bot. Jahrb. Syst. 20: 82 (1894)
Distribution: Equatorial Guinea; Gabon; Congo [Brazzaville]
23 CON EQG GAB
Synonyms: hidden
= Crotonogyne angustifolia Pax; Bot. Jahrb. Syst. 20: 83 (1894)
= Crotonogyne lasiocarpa Prain; Bull. Misc. Inform. Kew 1911: 265 (1911)
= Crotonogyne soyauxii Prain; Bull. Misc. Inform. Kew 1912: 103 (1912), nom. superfl.
= Crotonogyne stenophylla (Pax) Pax; Veg. Erde [Engler & Drude] 9 (Pflanzenw. Afr.) 3(2): 57 (1921)
= Neomanniophyton gabunense (Pax) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 119 (1912)
= Neomanniophyton lasiocarpum (Prain) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 120 (1912)
= Neomanniophyton stenophyllum Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 118 (1912)
species :
Crotonogyne giorgii De Wild.; Repert. Spec. Nov. Regni Veg. 13: 381 (1914)
Distribution: Congo [Brazzaville]; Central African Republic; D. R. Congo [Zaire]
23 CAF CON ZAI
species :
Crotonogyne manniana Müll.Arg.; Flora 47: 535 (1864)
Distribution: Guinea; Bioko Isl. [Fernando Poo]; Gabon; Angola
22 GUI 23 BIO GAB 26 ANG
species :
Crotonogyne micrantha Breteler; Pl. Ecol. Evol. 151(3): 366 (2018)
Distribution: Cameroon
23 CMN
species :
Crotonogyne neglecta Breteler; Pl. Ecol. Evol. 151(3): 366 (2018)
Distribution: Nigeria; Cameroon; Equatorial Guinea
22 NGA 23 CMN EQG
species :
Crotonogyne parvifolia Prain; Bull. Misc. Inform. Kew 1912: 102 (1912)
Distribution: Gabon
23 GAB
Synonyms: hidden
= Crotonogyne angustifolia (Baill.) Prain; Bull. Misc. Inform. Kew 1912: 103 (1912), nom. illeg.
= Manniophyton angustifolium Baill.; Bull. Mens. Soc. Linn. Paris 2: 952 (1891)
= Neomanniophyton angustifolium (Baill.) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 120 (1912)
species :
Crotonogyne poggei Pax; Bot. Jahrb. Syst. 20: 84 (1894)
Distribution: S-Nigeria; Cameroon; Gabon; Congo [Brazzaville]; SW-Central African Republic; D. R. Congo [Zaire]
22 NGA 23 CAF CMN CON GAB ZAI
Synonyms: hidden
= Crotonogyne ikelembensis (De Wild.) Prain; Bull. Misc. Inform. Kew 1911: 264 (1911)
= Crotonogyne impedita Prain; Bull. Misc. Inform. Kew 1911: 264 (1911)
= Crotonogyne laurentii De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 2: 278 (1908)
= Crotonogyne laurentii var. ikelembensis De Wild.; Ann. Mus. Congo Belge, Bot., Sér. 5, 2: 278 (1908)
= Crotonogyne ledermanniana (Pax & K.Hoffm.) Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VII, Heft 63 (Euph.-Mercurialinae): 427 (1914)
= Crotonogyne sapinii De Wild.; Co. Kasai Mission Perman. Études Sci. Résult. Rech. Bot. Agron. 329 (1910)
= Crotonogyne strigosa Prain; Bull. Misc. Inform. Kew 1912: 191 (1912)
= Crotonogyne thonneri De Wild.; Études Fl. Bangala & Ubangi 226 (1911)
= Neomanniophyton ikelembense (De Wild.) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 117 (1912)
= Neomanniophyton impeditum (Prain) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 116 (1912)
= Neomanniophyton laurentii (De Wild.) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 117 (1912)
= Neomanniophyton ledermannianum Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 116 (1912)
= Neomanniophyton poggei (Pax) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 117 (1912)
= Neomanniophyton thonneri (De Wild.) Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 118 (1912)
species :
Crotonogyne preussii Pax; Bot. Jahrb. Syst. 23: 524 (1897)
Distribution: S-Nigeria; Cameroon
22 NGA 23 CMN
Conservation Status: IUCN NT (Cameroon)
species :
Crotonogyne zenkeri Pax; Bot. Jahrb. Syst. 26: 327 (1899)
Distribution: Cameroon; Gabon; Central African Republic
23 CAF CMN GAB
Conservation Status: IUCN VU (Cameroon)
Synonyms: hidden
= Neomanniophyton zenkeri (Pax) Pax; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 119 (1912)
= Neomanniophyton zenkeri f. basicaudatum Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 119 (1912)
= Neomanniophyton zenkeri f. dasyanthum Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 119 (1912)
= Neomanniophyton zenkeri f. fallax Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 119 (1912)
= Neomanniophyton zenkeri f. glabratum Pax & K.Hoffm.; Pflanzenreich [Engler] IV.147.VI, Heft 57 (Euph.-Chrozophorinae): 119 (1912)
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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