Trees evergreen, 5-15 m, 17(-50) cm d.b.h. Bark smooth, tawny. Branchlets green, brown pubescent, becoming glabrate. Leaves imparipinnate, 9-11 cm; petiole 1.8-2.5 cm; rachis 1.8-2 cm, prolonged 0.2-0.8 cm below terminal leaflet; leaflets (3-)5-7; petiolule ca. 5 mm, with short hairs; blades pale green abaxially, green and smooth adaxially, oblong-lanceolate or oblong, 3.5-4 × 1.1-2 cm, thinly leathery, base cuneate to rounded, margin entire, apex acute, acuminate to shortly caudate; midvein conspicuously raised abaxially, impressed adaxially, lateral veins 5-7 pairs, angled 40° with midvein, both lateral veins and veinlets inconspicuous. Racemes terminal, 8-10 cm; peduncle rusty pilose; pedicel 7-10 mm, rusty brown pilose. Flowers ca. 1.2 × 1 cm. Calyx campanulate, sparsely rusty brown pilose; teeth triangular, 3-4 mm; tube 2-3 mm. Corolla creamy white; standard suborbicular, 1-1.2 cm, apex rounded, claw 1.5-2 mm; wings long elliptic, ca. 1.4 × 0.7 cm, claw ca. 3 mm; keel oblong-elliptic, ca. 1.4 × 0.8 cm, claw ca. 3 mm. Stamens unequal; filaments 0.8-1.4 cm; anthers oblong. Ovary hispid; style filiform, incurved at tip, with curved hispid oblique stigma; ovules 1-4. Legumes elliptic, 1.2-1.5 cm, slightly compressed to nearly globose, acute at both ends, apex beaked, stipe 1.5-1.9 mm; valves woody, appressed short brown pubescent, internally septate. Seeds 1-4, scarlet, suborbicular, slightly compressed, ca. 1 cm, glossy; hilum ca. 3 mm. Fl. May, fr. Oct.
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