Perennial herbs with woody rootstock, branched from base, rarely above
Leaves subsessile, slender, with minute colleters in leaf axils
Flowers in pseudoumbels lateral at nodes, with peduncles racemosely scattered along upper part of branches
Sepals with row of scales within base
Corolla lobed to halfway or more, greenish; lobes spreading or erect, slightly overlapping to left in bud, with upper surface bordered with woolly hairs and pubescent within
Corona of 5 lobes, arising from staminal column; lobes ± complicate or fissured on inner surface, and projected into 2 short horns directed over staminal column
Staminal column arising from base of corolla
Anthers 2-locular, with membranous appendages deflexed on column, bluntly spurred at base
Pollinia terete, attached horizontally to corpuscle by caudicles
Follicles ± ellipsoid, rounded and smooth on outer side, grooved on inner side
Seeds convex on one side, concave on other, tapering to apex, with tuft of hairs
Nomenclature:
Kanahia R.Br.
Brown: 28 (1810)
Brown: 295 (1902)
Field et al.: 787 (1986)
Distribution & Notes:
Global: Species 4, Africa and Arabian Peninsula
Southern Africa: Species 1: Kanahia laniflora (Forssk.) R.Br., Northern Province, in rocky watercourses
References:
BROWN, N.E. 1902. Asclepiadeae. Flora of tropical Africa 4,1
BROWN, R. 1810. On the Asclepiadeae, a natural order of plants separated from the Apocineae of Jussieu. Memoirs of the Wernerian Natural History Society 1
FIELD, D., FRIIS, I. & GILBERT, M.G. 1986. A new species of Kanahia (Asclepiadaceae) with a reconsideration of the genus. Nordic Journal of Botany 6
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