Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Introduced

Erect herbs or shrubs; sap milky. Leaves opposite or in whorls of 3, rarely alternate, lacking glands at base of lamina, petiolate. Inflorescences of loose umbels beside upper leaf axils, erect, long-pedunculate. Flowers pedicellate; sepals small, narrow; corolla deeply divided, lobes reflexed; gynostemium elongated, corona-lobes 5, at top of gynostemium, fleshy, erect, elongated, laterally compressed, saccate in upper part, with 2 or 4 teeth on inner side; pollinia 2 per anther, pendent; style-head 5-angled, apex truncate, concave. Follicles ovoid or globose, soft, inflated, with numerous soft spines; seeds many, with a silky coma.

About 50 species from Africa; 3 species naturalised in Australia.

Members of this genus are often included in the closely related Asclepias.

Source: Jeanes, J.A. (1999). Asclepiadaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 4, Cornaceae to Asteraceae. Inkata Press, Melbourne.
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