Treelet 5-9 m high and 7-15 cm in diam., or tree to 18 m high and 20 cm in diam., sometimes shrub-like (l-)3-4 m high, rarely a climber (?). Stipules intrapetiolar, falcate, 5-6 mm long, caducous. Leaves (1-) 2-or 3-(4-)foliolate, shortly petioled; petiole and rachis 0.5-2(-4) cm long, prolonged beyond the upper petiolule into a subulate tip c. 5 mm. Leaflets firmly chartaceous, elliptic or elliptic-, ovate-or obovate-oblong, 10-29(-36) by 3-8(-12.5) cm, apex acuminate or rather abruptly caudate-acuminate, the acumen slender, 1.5-2.5(-3.5) cm long; base cuneate, acute, obtuse, or rounded, symmetric or slightly unsymmetric; glabrous or rarely sparsely minutely hairy below; nerves 5-9 (or more) per side; petiolules short, 3-7 mm, glabrous. Inflorescences axillary, up to c. 10(-28) cm long, the rachis puberulous, moderately flowered; bracts subulate and long-drawn, or 3-lobed with the central lobe relobed and bristle-like, slightly hairy, up to c. 8 mm long, sometimes many, aggregate, surrounding the base of the peduncle and brush-like, (semi-)persistent, puberulous outside, slightly ciliate on the margins, those at the base of pedicels rather small, triangular, 0.3-1.5 mm long; bracteoles minute, triangular, c. 0.5 mm long; pedicels 3-5(-8) mm, articulated at the base, puberulous, Flowers puberulous outside, glabrous inside. Hypanthium c. 1 mm long. Calyx lobes ovate or broadly ovate, 3.5-4 by 2-2.5 mm, with 3(-5) longitudinal veins. Stamens (8-) 10; filaments 4-6 mm (or longer); anthers ellipsoid, c. 0.8 mm long. Pistil stipitate; stipe free, c. 1 mm long, slightly puberulous; ovary c. 2 mm long, (3-or) 4(-6)-ovuled; style 4.5-5.5(-10) mm, glabrous except slightly hairy towards the base; stigma obscure. Pods (young) ellipsoid or ovoid 8.5-12.5 by 3-4 cm, apex shortly acuminate, not beaked, base rounded or acute, densely shortly brown hairy. Seeds broadly ellipsoid or suborbicular, 2.6-3.3 by 2-2.4 cm, c. 1.2 cm thick, testa rusty scurfy, finely rugose.
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