A twining climber, stem glabrous. Root tuberous, up to 70 kg. Leaves suborbicular, herbaceous-membranous, round or nearly so at the base, apex acuminate, palmately 10-11-veined. Flowers in an axillary compound umbelliform cyme, orange pink. Fruit globose compressed, up to 6.5 mm in diameter, endocarp with 4 transverse dorsal ribs. |