Small monoecious tree to c. 5 m high. Trunk stout, pale. Petiole to 50 cm long, to c. 75 cm long on young vegetative shoots, densely hairy at first, becoming glabrate, terete. Lamina deeply 5-lobed, to c. 40 cm long, ± horizontal, hairy beneath, particularly on the veins, glabrous above, ± glaucescent beneath; base deeply cordate with 2 lobules of basal lobes often overlapping to form a deep rounded sinus; lobes ± ovate-oblong, 1-5-lobulate. ♂ fls in hairy axillary corymbs or panicles, pale green, fragrant; calyx lobes c. 1.5 mm long, oblong-elliptic; corolla tube 1.5-2 cm long, hairy outside with lobes c. 1 cm long, linear and revolute. ♀ fls similar but peduncles short. Fr. c. 8-10 × 4-5 cm, oblong-obovoid, strongly 5-ribbed, yellow; flesh sweet and aromatic. Seed c. 5 mm long, surrounded by transparent aril.