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077.0000 Family Hydnoraceae C.Agardh; Aphor. Bot. 88 (1821), nom. cons.
2 genera, 14 spp.
Species listed in database: 153
= Hydnoreae R.Br.; Female Fl. Fruit Rafflesia Arnoldi 25 (1844)
= Hydnoroideae Walp.; Ann. Bot. Syst. [Walpers] 3: 513 (1852)
077.0001 Genus Hydnora Thunb.; Kongl. Vetensk. Acad. Handl. 36: 69 (1775)
Distribution: Tropical and South Africa, Madagascar, Yemen. Revision: Hatt et al. (2024)
Species listed in database: 10
= Aphyteia Ach.; Pl. Aphyteia 7 (1776)
species :
Hydnora abyssinica A.Braun; Beitr. Fl. Aethiop. [Schweinfurth] 217 (1867)
Distribution: C-Nigeria; E-D.R.Congo [Zaire]; Rwanda; Ethiopia; Eritrea; Somalia; Uganda; Kenya; Tanzania; S-Malawi; C-Namibia (Hardap); N-Botswana; South Africa (KwaZulu-Natal)
22 NGA 23 RWA ZAI 24 ERI ETH SOM 25 KEN TAN UGA 26 MLW 27 BOT NAM SAF
Remarks: subgen. Dorhyna; Host: Fabaceae (mostly Senegalia, Vachellia)
Synonyms: hidden
= Hydnora abyssinica var. quinquefida Engl.; Bot. Jahrb. Syst. 28: 386 (1900)
= Hydnora acharii Thunb. ex Hook.f.; Prodr. [A.P. de Candolle] 17: 109 (1873)
= Hydnora aethiopica Decne.; Bull. Soc. Bot. France 20: 77 (1873)
= Hydnora angolensis Decne.; Bull. Soc. Bot. France 20: 77 (1873)
= Hydnora bogosensis Becc.; Nuovo Giorn. Bot. Ital. 3: 6 (1871)
= Hydnora gigantea Chiov.; Ric. Idrogeol. Bot. Entomol. Somalia Ital. Merid. [Stefanini & Paoli] 1: 156 (1916)
= Hydnora gigantea var. trimera Chiov.; Ric. Idrogeol. Bot. Entomol. Somalia Ital. Merid. [Stefanini & Paoli] 1: 157 (1916)
= Hydnora johannis Becc.; Nuovo Giorn. Bot. Ital. 3: 5 (1871)
= Hydnora johannis var. gigantea (Chiov.) Vacc.; Atti Reale Accad. Naz. Lincei, Mem. Cl. Sci. Fis., Sez. 3a, Bot., Ser. 6, 5: 436 (1934)
= Hydnora johannis var. quinquefida (Engl.) Solms-Laub.; Pflanzenr. [Engler] IV.76, Heft 5 (Hydnor.): 7 (1901)
= Hydnora michaelis Peter; Repert. Spec. Nov. Regni Veg., Beih. 40(2), Anh. 17 (1932)
= Hydnora ruspolii Chiov.; Bull. Soc. Bot. Ital. 1917: 57 (1917)
species :
Hydnora africana Thunb.; Kongl. Vetensk. Acad. Handl. 1775: 69 (1775)
Distribution: S-Namibia; South Africa (N-Cape Prov., W-Cape Prov., E-Cape Prov., KwaZulu-Natal, Free State, North West Prov.)
27 NAM SAF
Remarks: subgen. Hydnora; Host: Euphorbia spp.
Synonyms: hidden
= Aphyteia africana (Thunb.) Oken; Allg. Naturgesch. 3(2): 801 (1841)
= Aphyteia hydnora Ach.; Pl. Aphyteia 10 (1776)
species :
Hydnora bolinii S.Hatt; Kew Bull. 79: 505 (2024)
Distribution: E-Ethiopia; N-Somalia; NE-Kenya
24 ETH SOM 25 KEN
species :
Hydnora esculenta Jum. & H.Perrier; Rev. Gén. Bot. 24: 327 (1912)
Distribution: S-Madagascar (Toliara)
29 MDG
Remarks: subgen. Neohydnora; Host: Fabaceae (Albizia, Alantsilodendron, Pithecellobium)
species :
Hydnora hanningtonii Rendle; J. Bot. 34: 55 (1896)
Distribution: S-Somalia; SE-Kenya; N-Tanzania; Saudi Arabia (Najran); Oman (Dhofar); Yemen (Hadramaut)
24 SOM 25 KEN TAN 35 OMA SAU YEM
Remarks: subgen. Dorhyna; Host: Fabaceae (mostly Vachellia tortilis)
Synonyms: hidden
= Hydnora arabica Bolin & Musselman; Phytotaxa 338(1): 100 (2018)
= Hydnora cornii Vacc.; Nuovo Giorn. Bot. Ital., n. s. 39: 304 (1932)
species :
Hydnora longicollis Welw.; Trans. Linn. Soc. London 27: t. 21 (1869)
Distribution: SW-Angola; W-Namibia (Erongo)
26 ANG 27 NAM
Remarks: subgen. Hydnora; Host: Euphorbia damarana
Synonyms: hidden
= Hydnora africana var. longicollis Welw.; Trans. Linn. Soc. London 27: 66 (1869)
species :
Hydnora sinandevu Beentje & Q.Luke; Fl. Trop. E. Africa, Hydnor. 5 (2002)
Distribution: Ethiopia; S-Somalia; Kenya; Tanzania; SW-Saudi Arabia (Jizan)
24 ETH SOM 25 KEN TAN 35 SAU
Remarks: subgen. Sineseta; Host: Commiphora (Burseraceae)
species :
Hydnora solmsiana Dinter; Deut. Südw. Afrik. 45 (1909)
Distribution: SE-D.R.Congo [Zaire]; Sudan; SW-Tanzania; Zimbabwe; Mozambique; Namibia; Botswana; South Africa (Limpopo, N-Cape Prov.); Eswatini [Swaziland]
23 ZAI 24 SUD 25 TAN 26 MOZ ZIM 27 BOT NAM SAF SWZ
Remarks: subgen. Dorhyna; Host: Fabaceae (Faidherbia, Senegalia etc.)
species :
Hydnora triceps Drège & E.Mey.; Nova Acta Acad. Caes. Leop.-Carol. German. Nat. Cur. 16(2): 779 (1833)
Distribution: SW-Namibia (Karas); South Africa (N-Cape Prov.)
27 NAM SAF
Remarks: subgen. Hydnora; Host: Euphorbia dregeana
Synonyms: hidden
= Aphyteia triceps Steud.; Nomencl. Bot. [Steudel], ed. 2, 1: 111 (1841)
= Aphyteia multiceps Burch.; Trav. S. Africa 213 (1822)
species :
Hydnora visseri Bolin, E.Maass & Musselman; Syst. Bot. 36(2): 255 (2011)
Distribution: S-Namibia; South Africa (N-Cape Prov.)
27 NAM SAF
Remarks: subgen. Hydnora; Host: Euphorbia gummifera
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A complete, synonymic checklist of the Higher Plants of the World


Version 25.04 (April 17th, 2025)

Covering 356,375 accepted species,
8,782 hybrids, 48,090 accepted infraspecific taxa and 1,002,897 synonyms,
in total 1,416,144* names

[*about 25,000 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