Beentje, H. (2021) Apocynaceae, sous-familes I. Apocynoideae et II. Rauvolfioideae Flore d' Afrique Centrale Jardin botanique de Meise
Description of the genus
Lianes, with tendrils, or climbing shrubs. Stipules 0. Inflorescence of branched terminal panicles. Corolla salver-shaped; lobes overlapping to the left.
Anthers keeled on the back. Ovary hairy.
Carpels completely fused into an indehiscent, hairy (velutinous), fleshy, many-seeded berry.
Worldwide: 10 species in Africa; 1 extending to Madagascar.