A large woody climber, up to 120 m long. Rachis (4.5—)6—8(—10.5) cm long, pinnae 2 pairs, 5—15 cm long, 3—4(—5) pairs of leaflets per pinna, leaflets obovate to elliptical-lanceolate, unequal-sided, (1.4—)2.3—7 cm x (1—)1.3—3.5 cm, base rounded to broadly cuneate, somewhat asymmetrical. Inflorescence an axillary spike, 12—25 cm long, flowers sessile or subsessile, male or bisexual, minute, calyx green, broadly cup-shaped, petals white. Pod straight to slightly curved, up to 200 cm x 7—15 cm, exocarp and endocarp woody. Seed subcircular, flat, 3.5—4 cm in diameter, 1 cm thick, brown.

PROSEA (Plant Resources of South-East Asia) Foundation

Used as a medicine against pains, itch and perhaps fever (bark); as a poultice to cure colic in children (seeds); as a topical ointment against jaundice (plant).