6885.050 Orbea Haw.

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

Fayaz, F. (2011) Encyclopedia of Tropical Plants Firefly Books, New Zealand

Goyder, D.J. (2007) Zimbabwean Asclepiadaceae. Unpublished list.

Leach, L.C. (1975) The Reinstatement of Orbea Haw. (Asclepiadaceae) Kirkia 10(1) 287-291

Description of the genus

Succulents, spineless; often rhizomatous forming compact to diffuse clumps; stems decumbent to prostrate, fleshy and firm, glabrous, purplish mottled; tubercles spreading, often laterally flattened. Inflorescence glabrous often 1-3 per stem; 1-40 flowered; bracts 1-several, lanceolate with several teeth. Flowers sepals 5, lanceolate, acuminate; corolla usually rotate to campanulate, often thickened into a prominent annulus around mount, mostly deeply lobed. Furit erect follicles, divergent with two horns.

Worldwide: 56 species in Africa and SW Arabia.

Zimbabwe: 11 taxa.

Orbea caudata subsp. rhodesiaca

Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesFZ divisionsContent
carnosa (Stent) Bruyns subsp. keithii (R.A. Dyer) Bruyns[LR-lc]C,EDescription, Image
caudata (N.E. Br.) Bruyns subsp. rhodesiaca (L.C. Leach) BruynsN,W,C,E,SDescription, Image
huillensis (Hiern.) Bruyns subsp. huillensis [DD]WImage
lugardii (N.E. Br.) Bruyns[DD]W?Description, Image
lutea (N.E. Br.) Bruyns subsp. lutea [VU]WImage
maculata (N.E. Br.) L.C. Leach subsp. maculata [DD]W,E,SImage
rogersii (L. Bolus) Bruyns[CR]W,E,SDescription, Image
schweinfurthii (A. Berger) Bruyns[LR-lc]N,WDescription, Image
umbracula (M.D. Hend.) L.C. Leach[NrEnd][DD]N,E,SDescription, Image
valida (N.E. Br.) Bruyns subsp. valida [VU]N,WImage
variegata (L.) Haw.WImage

Other sources of information about Orbea:

Our websites:

Flora of Botswana: Orbea
Flora of Caprivi: Orbea
Flora of Malawi: Orbea
Flora of Mozambique: Orbea
Flora of Zambia: Orbea

External websites:

ePIC (electronic Plant Information Center): Orbea
Flora Zambesiaca web site: Orbea
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Orbea
IPNI (International Plant Names Index): Orbea
Kew Herbarium catalogue: Orbea

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-16

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2016). Flora of Zimbabwe: Genus page: Orbea.
http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=1159, retrieved 4 December 2016

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