Tree up to 45 m (rarely more) high and 4 m (once recorded) in diam.; buttresses up to 7 m high, extending outwards 6 m, 30 cm thick. Leaves 4-jugate, rarely associated with some 2-, 3-, or 5-jugate; petiole and rachis (3.5-)9.5-17.5(-26) cm, both puberulous, glabrescent. Leaflets ovate, elliptic, sometimes broad-ovate or-elliptic, or suborbicular, rarely obovate or lanceolate, (3 — )10 — 13.5( — 18.5) by (3-)5-7.5(-10.5) cm; apex obtuse or rounded, sometimes slightly notched, (shortly) acuminate; base obtuse, rounded, cuneate, rarely slightly truncate or subcordate, often somewhat asymmetric; nerves 6-10 per side; petiolules 2-5 mm. Inflorescences up to c. 10 cm long, pubescent, glabrescent; pedicels 3-12 mm. Hypanthium 3-4 mm long. Calyx lobes (broadly) elliptic, ovate, or slightly obovate, 6-8(-12) by 3-6.5(-8) mm. Petal, limb 3-6(-10) by 3-6.5(-8) mm; claw 2-5 mm long. Fertile stamens: filaments 2-4 cm; anthers c. 3 mm long; staminodes 4-10 mm. Ovary 5-6 mm long; style 2-3.5 cm. Pods 15-19 (-40) by 5.5-7(-9) cm. Seeds 3-4.5 by 1.5-3 cm, 0.5-1.2 cm thick.
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A tree. It grows 50 m tall. The trunk can be 1.5 m across. The trunk does not have branches for about 22 m. The leaves are compound with 3-4 pairs of leaflets.
Widespread, in coastal regions, edges of seasonal swamps, on inundated lands, locally common to very common in lowland primary or older secondary forests, sometimes on sandstone and limestone hills, at elevations up to 850 metres
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It is a tropical plant. It grows in primary rainforests up to 1,000 m above sea level.
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