Corolla hypocrateriform; tube cylindric, slightly enlarged at level of anthers, pilose within especially towards the mouth; lobes contorted, overlapping to the left, ± elliptic, shorter or longer than tube.
Ovary hairy or glabrous (not in F.Z. area); style glabrous, clavuncle linear-fusiform, stigma not quite attaining level of anthers.
Stamens inserted below the middle of the corolla tube; anthers subsessile, without carina.
Cymes terminal, grouped into panicles with short to long peduncle.
Fruit glabrous, a many-seeded berry with sclerified pericarp.
Latex present in all parts, abundant.
Calyx lobes imbricate, free to base.
Tendrillous lianes.
Stipules absent.
Spines absent.