大穗崖豆 da sui ya dou

Millettia macrostachya var. multifoliolata Y. Y. Qian.

Trees, to 10 m tall. Branchlets dark brown, ridged, gla­brous, scattered with fine lenticels. Leaves 7-11(or 13)-folio­late; rachis 30-40 cm, including petiole 8-9 cm; stipels present; leaflet blades broadly oblong to obovate-elliptic, 8-16 × 4-8 cm, papery, both surfaces glabrescent, secondary veins 8-10 on each side of midvein, base broadly cuneate and slightly asym­metric, apex acute. Pseudoracemes axillary, 35-50 cm, longer than subtending leaf, thick, straight, slightly puberulent; rachis nodes ± whorled with 3-7 flowers clustered on a 2-4 mm spur. Pedicel 4-5 mm, brown puberulent. Flowers ca. 1.8 cm. Calyx ca. 7 mm. Corolla pale red to lilac; standard orbicular, without basal calluses, outside puberulent, base auriculate, apex purple striped. Ovary with trichomes, with numerous ovules. Legume linear, 8-22 × ca. 1.5 cm, leathery, apex beaked; sutures thick­ened. Seeds 5-8 per legume, olive-green, ellipsoid, ca. 1.5 × 8 mm. Fl. Mar, fr. Jun-Aug.

Thickets on slopes; 800-900 m. S Yunnan [Myanmar].

This species occasionally is cultivated in courtyards.