华山马鞍树 hua shan ma an shu

Trees small, to 2 m tall; branchlets gray-brown; buds ovoid, hairy. Leaves 18-24(-27) cm; leaflets 9-11; petiolule 2-3 mm, densely white pubescent; blades elliptic-ovate or ovate-oblong, 3.5(-7.7) × 1.6-4 cm, adnate gray hairy abaxially, gla­brous adaxially, base broadly cuneate or rounded, apex acute to acuminate. Racemes 3.4-4.5 cm; rachis brown hairy. Flowers 1-1.2 cm; pedicel 4-8 mm. Calyx campanulate, 4-6 mm; teeth to 2.5 mm. Corolla white, 9-11 mm; standard broadly elliptic, slightly emarginate at apex, abruptly narrowed to a narrow claw; wings narrowly elliptic, auricles small. Ovary narrowly elliptic, pubescent. Legumes long elliptic or ovate-elliptic, 3.5-5.5 × 1.3-1.5 cm, beaked at apex; stalk 6-7 mm, pubescent. Seeds reddish brown to yellow-brown, reniform, 8-10 × 5-5.3 mm. Fl. Jul-Aug, fr. Aug-Sep.

● Forests in valleys and on hill slopes; 100-2100 m. Henan, Shaanxi.