Unbranched dioecious tree, 3-6 m tall, to 10 cm dbh, mostly glabrous. Leaves in a dense terminal crown; petioles mostly more than 50 cm long, hollow, with slightly milky sap; blades ovate, shallowly 5-lobed when mature, cordate, 30-70 cm long, the lobes acute at apex, often broadly incised; palmate veins at base 5. Staminate inflorescences dichotomously branched, ca 30 cm long; pedicels very short; flowers many, ca 3 cm long; calyx deeply 5-lobed, ca 1.5 mm long, green; corolla light yellow, 5-lobed, the lobes spreading, linear-oblong, 12-20 mm long; anthers 10, nearly sessile, linear-spatulate, to 4 mm long. Pistillate inflorescences contracted, ca 7-flowered, 2.5-5 cm long; calyx lobes ca 2 mm long; corolla 5-lobed to base, ca 2.5 cm long, white or yellowish, the apices reddish; ovary glabrous; style ca 3 mm long; stigmas 5, linear, ca 1 cm long. Fruits maturing well below leaves, sometimes near base of trunk, borne on thick warty protuberances, the fruiting pedicels to 5 cm long and 8 mm diam; berries obovate, ca 8 cm long and 6 cm wide, minutely apiculate, becoming orange; exocarp to 7 mm thick, forming whitish droplets when cut; mesocarp sweet, pithy, white to translucent, with aroma of fresh grapes; seeds many, ovate, 10-12 mm long, the ridges 5 or 6, deep, corky. Foster 1394. Rare; collected once by Aviles and once by Foster near the shore between the ends of Zetek and Armour trails. Flowers in the dry season (February and March). Some fruits have been seen in June and November.