Slender woody climbers. Leaves with petiole swollen and geniculate at base, lamina often cordiform or hastate, rarely deeply 3-5-lobed, margin entire or repand-dentate, palmatinerved at base, papyraceous. Inflorescences axillary, cymose or thyrsoid (a raceme or panicle of cymes). Seed with copious endosperm;
Asia-Tropical: New Guinea present; Philippines (Philippines present), Continental SE. Asia present, N. Borneo present, Solomons present
Continental SE. Asia (1); Malesia: N. Borneo (1), Philippines (3) and New Guinea&Solomons (1), in all 6 spp.