Tall lianas or erect shrubs; roots tuberous; stems up to ± 20 m long
Leaves
mostly opposite, sometimes alternate; petiolate with toothed interpetiolar ridges; lamina linear-ovate, narrowly to broadly ovate or elliptic to broadly elliptic, adaxially glabrous to puberulous, abaxially puberulous, base cuneate, obtuse or cordate, apex apiculate, acuminate to obtuse or emarginate and mucronate
Inflorescences
terminal and axillary many-flowered panicles
Flowers
with gynostegium exserted from corolla
Sepals
broadly ovate, glabrous to puberulous
Corolla
pale green, pale yellow or reddish; tube very shallow; lobes broadly ovate to oblong-ovate, apex obtuse
Corona
lobes arising from corolla mouth, filiform or narrowly ovate; interstaminal discs subquadrate
Stamens
free, fused to inner base of corona lobes; anthers 4-locular, ovate, glabrous
Style head
broadly angularly ovoid
Follicles
paired, cylindrical-ovoid to ovoid and apiculate
Seeds
narrowly ovate with tuft of hairs
Nomenclature:
Tacazzea
Decne.
Decaisne: 492 (1844)
Brown: 260 (1902)
Brown: 540 (1907)
Bullock: 350 (1954)
Venter et al.: 93 (1990)
Distribution & Notes:
Global
: Species 4, Africa and Asia
Southern Africa
: Species 1:
Tacazzea apiculata
(Oliv.) Venter, Botswana, Namibia and KwaZulu-Natal; in riverine and swamp forest
References:
BROWN, N.E. 1902.
Asclepiadeae
.
Flora of tropical Africa
4,1
BULLOCK, A.A. 1954. Notes on African
Asclepiadaceae
: IV.
Kew Bulletin
10
DECAISNE, J. 1844.
Asclepiadeae
. In A.P. de Candolle,
Prodromus
8. Treuttel & Würtz, Paris
VENTER, H.J.T., VERHOEVEN, R.L. & KOTZE, J.D.S. 1990. A monograph of
Tacazzea
(
Periplocaceae
).
South African Journal of Botany
56
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