Robust liane or sometimes a scrambling shrub with milky latex. Stems forming tendril-like coils, covered in minute rusty hairs. Leaves opposite, ovate-oblong, lanceolate or obovate, 2.5-9 cm long, leathery, often apiculate, rusty hairs beneath, particularly when young; petiole up to 11 mm. Flowers in axillary and terminal branched heads. Corolla greenish-yellow or white, lobes cobered in spreading white hairs on the inside. Only staminal corona lobes present, small erect. Fruit in paired widely diverging, slender follicles, 4.5-10 cm long, dark greenish-brown, tapering to a long point.
Goyder, D.J. (1991). Secamone (Asclepiadaceae subfam. Secamonoideae) in Africa Kew Bulletin 47(3) Pages 452 - 455.
Pooley, E. (1998). A Field Guide to the Wild Flowers of KwaZulu-Natal and the Eastern Region. Natal Flora Publications Trust. Durban. Pages 172 - 173. (Includes a picture).