Gongronema

Perennal vines or subshrubs, glabrous. Leaves opposite. Inflorescences umbel-like cymes or umbels. Calyx 5-partite, small, ovate-acuminate. Flowers small or of moderate size. Corolla campanulate, often constricted at the throat; lobes erect to spreading, overlapping to the left. Corona of 5 small, wart-like fleshy lobes with basal parts adnate to staminal column. Anthers 2-locular, terminated by membranous appendages which are free or connate. Pollinia sessile, erect, attached by short to elongated caudicles. Style head conical or truncate. Follicles with a thick pericarp, smooth, sometimes winged. Seeds crowned with a tuft of hairs.