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CARALLUMA R. Br.
ORBEOPSIS L.C. Leach
PACHYCYMBIUM L.C. Leach
Bruyns, P.V. (2002) Monograph of Orbea and Ballyanthus (Apocynaceae-Asclepiadoideae-Ceropegieae) Systematic Botany Monographs 63 1-196
Bruyns, P.V. (2005) Stapeliads of Southern Africa and Madagascar Volume I Umdaus Press, Hatfield, South Africa
Bruyns, P.V., Klak, C. & Hanáček, P. (2017) A revised, phylogenetically-based concept of Ceropegia (Apocynaceae) South African Journal of Botany 112 399-436
Fayaz, F. (2011) Encyclopedia of Tropical Plants Firefly Books, New Zealand
Leach, L.C. (1975) The Reinstatement of Orbea Haw. (Asclepiadaceae) Kirkia 10(1) 287-291
Succulents, spineless; often rhizomatous, forming compact to diffuse clumps. Stems decumbent to prostrate, fleshy and firm, glabrous, purplish, mottled; tubercles spreading, often laterally flattened. Inflorescences glabrous, often 1-3 per stem; 1-40 flowered; bracts 1-several, lanceolate with several teeth. Sepals 5, lanceolate, acuminate; corolla usually rotate to campanulate, often thickened into a prominent annulus around a mount, mostly deeply lobed. Fruit consisting of erect follicles, divergent with two horns. Worldwide: 56 species in Africa and South West Arabia. Burundi: 1 taxon. |
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| Species | Content | |
| dummeri (N.E.Br.) Bruyns |
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