Climber up to 5 m high. Leaves chartaceous, deeply 3-lobed (broadly hastately 3-lobed when young), 10-23 by 10-30 cm; Inflorescences in the axils of foliage leaves, 1-3, spiciform, up to 6.5 cm long, glabrous, internodes distinct; Stamens 6, filaments with very small anthers. Capsules oblong, 3-4 by 1.5 cm, obscurely 6-ribbed, obtuse. Seeds broad-ovate, not winged, c. 5 by 4 mm, granular on both surfaces, funicle spindle-shaped, c. 4.5 by 2 mm.
Asia-Tropical: Malaya (Peninsular Malaysia present), Khaw Pok Hill present, Khsoon present, Penang present, Peninsular Thailand present
Peninsular Thailand (Khaw Pok Hill, Khsoon) and in Malesia: Malay Peninsula (Penang).