Perennial climbers c. 30 m tall, with aerial roots. Leaves simple, 2-15 cm long; lanceolate to ovate to variously lobed, glabrous; base cordate to rounded or cuneate; apex sub-acute to obtuse. Flowers yellow; pedicels 7-12 mm long. pedicels and peduncles hairy. Calyx entire. Anthers 1-2 mm long. Stylar column c. 1 mm long, persistent. Fruit a berry, 5-7 mm long, 5-10 mm broad.