蒲桃叶红豆 pu tao ye hong dou

Trees evergreen, 5-16 m. Buds and branchlets densely appressed yellow-brown pubescent. Older branches with con­vex lenticels, nearly glabrous. Leaves imparipinnate, 8-12 cm; petiole 1-2.2 cm; rachis 2.7-3.7 cm, prolonged 0.4-1.7 mm below terminal leaflet; petiole and rachis sparsely appressed short pubescent or glabrescent, brown hairy at junction of leaf­lets; leaflets (5-)7; petiolule 2-6 mm, grooved adaxially when dry, nearly glabrous; blades obovate, obovate-spatulate, or ellip­tic, 3.6-6.3 × 1.6-2.8 cm, thickly leathery, sparsely appressed short pubescent, becoming glabrescent abaxially, glabrous adaxially, base cuneate, margin slightly rolled upward, apex rounded, obtuse, or retuse; lateral veins 5-8 pairs, inconspicu­ous, angled 40° with midvein. Inflorescences terminal panicles or axillary racemes, brown pubescent. Legumes rhombic or ellipsoid, 2-4.1 × 2-2.4 cm; fruiting pedicel 5-6 mm, both ends acute; stipe 3-5 mm; valves dark brown, woody, 2-3 mm thick, ± brown pubescent toward base, internally septate. Seeds 2 or 3, purple, elliptic, slightly compressed, 1-1.3 × 0.7-0.8 × ca. 0.5 cm; hilum white, slightly oblique, elliptic, ca. 2 mm. Fr. Nov.

● Valleys, riversides, sparse forests; 200-800 m. Guangxi (Shangsi).