Scandent shrub. 2-6m. long. Tuber stout, attaining 50kg. in weight. Leaves alternate,long-petioled, suborbicular, herbaceous-membranons, rounded at the base.Inflorescence in axillary compound umbel of orange flowers, the male and female ondifferent plants. Drupe globose, compressed, red when ripe; seeds hippocrepifonnwith transverse ribs (Vietnam)