Huernia
| Huernia | |
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| Huernia macrocarpa var. penzigii | |
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| Genus: | Huernia |
| Type species | |
| Huernia campanulata (Masson) R.Br. ex Haw.[1]
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The genus Huernia (family Apocynaceae, subfamily Asclepiadoideae) consists of stem succulents from Eastern and Southern Africa, first described as a genus in 1810.[2][3] The flowers are five-lobed, usually somewhat more funnel- or bell-shaped than in the closely related genus Stapelia, and often striped vividly in contrasting colours or tones, some glossy, others matte and wrinkled depending on the species concerned. To pollinate, the flowers attract flies by emitting a scent similar to that of carrion. The genus is considered close to the genera Stapelia and Hoodia. The name is in honour of Justin Heurnius (1587–1652) a Dutch missionary who is reputed to have been the first collector of South African Cape plants. His name was actually mis-spelt by the collector.
Various species of Huernia are considered famine food by the inhabitants of Konso special woreda in southern Ethiopia. The local inhabitants, who call the native species of this genus baqibaqa indiscriminately, eat it with prepared balls of sorghum; they note that baqibaqa tastes relatively good and has no unpleasant side-effects when boiled and consumed. As a result, local farmers encouraged it to grow on stone walls forming the terraces, where it does not compete with other crops.[4]
Phylogenetic studies have shown the genus to be monophyletic, and most closely related to the genus Tavaresia, and to a widespread branch of stapeliads comprising the genera Orbea, Piaranthus and Stapelia.[5]
- Species[6]
- Huernia andreaeana - Kenya
- Huernia barbata - South Africa
- Huernia campanulata
- Huernia clavigera - South Africa
- Huernia confusa - Transvaal
- Huernia decemdentata - Cape Province
- Huernia distincta - Cape Province
- Huernia guttata
- Huernia hallii- Namibia
- Huernia humilis - South Africa
- Huernia insigniflora - Transvaal
- Huernia kennedyana - South Africa
- Huernia kirkii - Cape Province
- Huernia levyi - Zimbabwe
- Huernia loeseneriana - South Africa
- Huernia longii - Cape Province
- Huernia longituba - Cape Province
- Huernia lopanthera - Angola
- Huernia namaquensis - Little Namaqualand
- Huernia nouhuysii - Transvaal
- Huernia ocellata
- Huernia oculata - South Africa
- Huernia pendula - Cape Province
- Huernia penzigii
- Huernia piersii - Cape Province
- Huernia praestans - Cape Province
- Huernia primulina - South Africa
- Huernia procumbens - Transvaal
- Huernia quinta - South Africa
- Huernia reticulata - South Africa
- Huernia similis - Angola
- Huernia simplex - South Africa
- Huernia stapelioides - South Africa
- Huernia tanganyikensis - Tanzania
- Huernia thudichumii - Cape Province
- Huernia thureti - South Africa
- Huernia transvaalensis - Transvaal
- Huernia tubata - South Africa
- Huernia urceolata - Angola, Namibia
- Huernia venusta
- Huernia volkartii - Angola
- Huernia whitesloaneana - Transvaal
- Huernia witzenbergensis - Cape Province
- Huernia zebrina- Cape Province
- formerly included[6]
moved to Angolluma
- Huernia sprengeri now Angolluma sprengeri
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References[edit]
- ^ lectotype designated by White et Sloane, Stapelieae ed. 2. 3: 819. 1937
- ^ Brown, Robert. 1810. On the Asclepiadeae 11
- ^ Tropicos
- ^ Yves Guinand and Dechassa Lemessa, "Wild-Food Plants in Southern Ethiopia: Reflections on the role of 'famine-foods' at a time of drought" UN-OCHA Report, March 2000 (accessed 15 January 2009)
- ^ P. Bruyns, C. Klak, P. Hanacek: Evolution of the stapeliads (Apocynaceae-Asclepiadoideae) - repeated major radiation across Africa in an Old World group. Molecular Phylogenetics and Evolution. 2014. v. 77, no. 1, p. 251--263. ISSN 1055-7903.
- ^ a b The Plant List genus Huernia
External links[edit]
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