Trees evergreen, 7-27 m, to 50 cm d.b.h. Bark of stems gray or grayish brown. Branches brownish green, appressed short pubescent when young, becoming glabrous; buds superposed. Leaves imparipinnate, 11.5-25 cm; petiole 2-4.5 cm; rachis 2.7-7.8 cm, prolonged 1.4-2.5 cm below terminal leaflet; petiole and rachis sparsely tomentose or glabrescent; leaflets 5-7; petiolule ca. 5 mm, rounded, sparsely pubescent; blades elliptic, 5-9.5 × 2-3.5 cm, leathery, slightly yellow tomentose or glabrous abaxially, green and glabrous adaxially, base cuneate or rounded, apex acuminate or caudate; midvein slightly raised abaxially, slightly impressed adaxially, lateral veins 7 or 8 pairs, inconspicuous. Flowers not seen. Infructescence with short pubescence. Legumes oblong or elliptic, 4.3-6.6 × 2.6-3 cm; valves black, thickly woody, 3-7 mm thick, appressed short yellowish brown bristly, densely pubescent at apex and base, internally septate. Seeds 1-5, dark red, elliptic, 8-10 × 5-7 × ca. 6 mm; hilum 2-2.5 mm. Fl. Jul-Aug, fr. Oct.
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