Tree up to 42 m high and 70(-130) cm in diam. Buttresses up to 5 m high, 1.25 m wide and 8 cm thick. Young twigs, rachides, leaflets especially on the midrib of the lower, sometimes also on the upper surface sparsely, sometimes densely pubescent or glabrescent. Leaves (4-)6(-8)-jugate; petiole and rachis up to c. 20(-30) cm. Leaflets oblong-elliptic or-ovate, rarely ovate or broadly elliptic, 6-9(-16) by 2.5-4(-5.5) cm; apex shortly acuminate, obtuse, rarely retuse; base rounded or obtuse, slightly subcor-date, or acute; lateral nerves 7-14 pairs; veins loosely reticulate; petiolules 2-3 mm. Inflorescences with rachis often 4-12(-24) cm, pubescent; bracts and bracteoles 3-5 mm long; pedicels 8-12 mm, puberulous. Hypanthium 5-7 mm long. Calyx lobes broadly elliptic or suborbiculate, 6-10 by 4-7(-9) mm. Developed petal 8-10 by 7-9 mm. Stamens: filaments (4.5-)5.5-6.5 cm long, united along the lower (1.5-)2-2.5 cm, glabrous except towards the base inside thinly hirsute; anthers 1-1.5 mm long; staminodes c. 4 mm, glabrous. Ovary c. 6 mm long, densely puberulous along the margin; style 4-5.5 cm. Pods 7-14 by 5-7.5 cm, 1.5-2 cm thick. Seeds 1-8, 2-3 by 1.5-2.2 cm, c. 1.3 cm thick.
In primary and secondary forests, in dry places, rarely occurring on limestone, usually found at elevations up to 100 metres, sometimes up to 400 metres.
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