A slender climbing shrub, or small tree to 3½ m high; of the forest; Liberia to W Cameroons, and in Angola and Uganda.The leaf is reported to contain 0∙8% total alkaloid, whilst bark of stem and roots appears to be even richer (1).
References
Reference:1. Bouquet & Debray, 1974: 153, as T. flavo-fusca.