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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