Tree to 10( — 21) m high and 7.6(-28.6) cm in diam., shrub-like tree or treelet 1.5 m high. Stipules intrapetiolar, 2-3 mm long. Leaves (4 — )5 or 6(-8)-foliolate, shortly peti-oled; petiole and rachis (6-)9-14 cm long, minutely puberulous, prolonged beyond the upper petiolule into a caducous process, often only the scar seen on a specimen. Leaflets subcoriaceous, elliptic-, obovate-or ovate-oblong, or elliptic, (7.5-)14-20 by (3.5-) 4.8-7.5 cm, the lower ones usually smaller; apex cuspidate or rather abruptly acuminate; base cuneate, acute, obtuse, or rounded, symmetric; glabrous above, loosely minutely puberulous, glabrescent, or glabrous beneath; nerves 5-8 per side; petiolules short, 5-9 mm, subglabrous. Inflorescences axillary, sometimes also terminal, up to 15.5 cm long, erect, the rachis rusty-tomentose, moderately flowered; bracts ovate, lanceolate, or linear, 3.5-15 mm long, puberulous, glabrescent; bracteoles elliptic, lanceolate, or oblanceolate, often at the upper half of the pedicel, rather large, covering the bud at its very young stage, 6-8 mm long; pedicels 15-20 mm, puberulous, articulated at the base. Flowers puberulous outside. Hypanthium 2-3 mm long, often ridged outside, glabrous inside. Calyx lobes unequal, broadly elliptic or elliptic, or obovate, 6-7 by 3-4 mm, slightly loosely appressedly puberulous often on the lower half inside, glabrescent, or almost glabrous. Stamens 10 (or 9); filaments up to c. 15 mm, glabrous; anthers c. 1 mm long. Pistil stipitate; stipe 2-3 mm long, glabrous; ovary 3-4.5 mm long, (4-)6-ovuled; the style up to c. 8 mm, glabrous except often hairy towards the base; stigma obscure, slightly thicker than the style. Pods oblong, elliptic, or oblanceolate, often unequilateral, 10-14 by 4.5-5 cm, acuminate and hardly beaked at apex, obtuse at base, shortly brown hairy, valves 2, hard leathery, 1-several-seeded. Seeds irregularly suborbicular or subreniform, 2.5-3 by 3.5-4 by 1.7 cm, slightly finely rugose.
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