Tree up to 20-35(-80) m high, 37-50(100) cm in diam., not or hardly buttressed. Leaves 2-4-jugate; petiole and rachis 7-24 cm long, glabrous. Leaflets chartaceous to subcoriaceous, elliptic, ovate, or broadly elliptic, sometimes obovate, 10-23 by 5-9.6 cm; apex shortly acuminate or acuminate, sometimes caudate; base obtuse, rotund, or slightly cuneate, rarely attenuate; glabrous on both surfaces; nerves 7-9 per side; veins obscurely reticulate on both surfaces; petiolules 5 — 8( — 11) mm. Inflorescences usually 10-20(-26) cm long, puberulous; bracts and bracteoles triangular or deltoid, c. 1 mm long; pedicels 4-12 mm, articulated at the apical end. Hypanthium 4-7 mm long, puberulous outside, glabrous inside. Flowers white. Calyx lobes 4, ovate, oblong-elliptic, or suborbiculate, 3-4 mm long, puberulous outside, subglabrous inside. Petals white or light yellowish when young, then red orange, suborbicular, obovate, flabellate, 4.5-5 by 2.5-4 mm, with distinct lateral veins, clawed at the basal part (c. 1 mm long), glabrous except ciliate on the margin. Stamens and staminodes 1.5-8 mm. Ovary 3 mm long, hirsute to densely lanate, sometimes only along the sutures, glabrescent or glabrous in the central part; style 4.5-5.5 mm. Pods up to 26 (or more) by 4-7 cm, distinctly veined when young, smooth or nearly so when old. Seeds 3-4.2 by 3 cm.
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