Scandent shrubs or lianas, 15-25 m tall. Stipules small, ovate-triangular; petiole slightly inflated at base, 1-3 cm; leaf blade oblong or ovate-oblong, 6-13 × 2-6 cm, ± leathery, glabrous, veins raised on both surfaces, veinlets obvious, base rounded, apex acuminate. Racemes axillary, 2-5 cm. Flowers sparse; bracts small, caducous; pedicel slender, 10-13 mm. Calyx cup-shaped, 2-3 × 3-4 mm, very small toothed. Corolla white; standard orbicular or oblong, 6-8 mm, retuse or obcordate at apex, claw 1-2 mm; wings falcate; keels shorter, oblong, 5-7 mm, claw 2-3 mm. Stamens 6-10 mm. Ovary pubescent. Legumes ovoid, 2.5-3 cm, ca. 15 mm in diam., beaked at apex, dehiscent along sutures. Seeds 1 or 2(or 3), red, dark brown, or black, elliptic, 9-14 × 8-10 mm; aril white. Fl. Apr-Jun, fr. Jul-Sep.
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