Tree 15-20 m high, 40-85 cm in diam. Leaves bipinnate, with (1 or) 2 (or 3) pairs of pinnae, each pinna with (3 or) 4 (or 5) pairs of leaflets; petiole 5 cm or longer in larger leaves; petiolule 4 mm. Leaflets subcoriaceous, ovate or elliptic, 5-11 by 1.8-4.5 cm; subfalcate and acuminate at apex and rounded at base; nerves 3-5 per side. Inflorescences terminal or subterminal, paniculate, up to 30 cm long, branches shortly brown pubescent, densely flowered. Flowers sessile. Calyx 2.5 mm long, pubescent outside; lobes crescent or triangular, 0.3-0.5 mm long. Petals creamy white, oblong, 3-5 by 1.5-2 mm. Stamens: filaments 3.5-6 mm; anthers 0.7-1 mm long, slightly hairy at the apex and/or base. Ovary stipitate, woolly, c. 4-ovuled; style slender, c. 6 mm; stigma capitate. Pods often obovate-oblong, and slightly oblique, 10-18 by 3-4 cm, woody, dehiscent, prominently reticulate-striate with some parallel veins along the sutures, the valves c. 1 mm thick. Seeds 1-4, more or less orbicular, c. 3 cm in diam. (immature).
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