A large woody vine which climbs high up into trees. It has a red sticky sap when cut. The vine can become 10-15 cm across and grow to 20 m long. Leaves are alternate. Young leaves are deeply five lobed and the base of the leaf can extend down the stem. Leaves are 10-18 cm across and 15-20 cm long. Leaves are dark green and leathery. At the base of the leaf there are conspicuous glands. Flowers are white, greenish or red. The flowers are of one sex with several male flowers clustered around one female flower. A cluster of fruit is borne on a branch up to 5 cm long near the base. Fruit is 6-10 cm across and fleshy with 3-4 lobes. The fruit surface is smooth and yellow when ripe. The seed coat is hard, brown and ridged. The kernel is white.