A climber with long twining stems, old stems brownish and smooth, young stemsgreen and characterised protruding pores on the bark. Leaves alternate with petioles to7cm long and swollen at the bases; leaf-blades cordate, glabrous, to 15cm x 14cmwith abruptly acuminated tips. Flowers dioecious, light yellow, arise from leaf-axils.Fruits oval, to about 1cm long with small uneven lumps. (Indonesia) Liana (Laos) A woody climber up to 15m long, older stems with long filiform aerial roots; leavesbroadly ovate to orbicular; inflorescences appearing when plant is leafless; flowersusually with 3 petals; fruit ellipsoidal, about 2cm long, orange. (Philippines)