A tall climber, climbing up to 6 m. or more, branched, glabrous. Leaves digitate, long stalked; leaflets 5, ovate, obovate to obovate-oblong or elliptic, 3-6 cm. long, emarginate at apex, glabrous, glaucous beneath. Racemes axillary monoecious. Flowers fragrant, females slightly larger and with longer pedicels than males. Female flowers purplish-brown, 2.5-3 cm. in diam. with broad elliptic sepals. Male flowers rosy-purple, much smaller. Fruit 6-10 (-12) cm. long, purple-violet, with glaucous bloom.