Derris caudatilimba F.C. How, Acta Phytotax. Sin. 3: 221 (1954)

Synonyms

Description
Lianas. Branches glabrous, with pale gray lenticels. Leaves 7- or 9-foliolate; rachis 10-15 cm, including petiole 4-5 cm; leaflet blades oblong, 4-10 x 1.4-2.8 cm, papery, abaxially glabrous, midvein raised on both surfaces, secondary veins 6 or 7 on each side of midvein, base broadly cuneate to slightly obtuse, apex caudate-acuminate. Racemes axillary, narrow and elongated, 10-25 cm; rachis sparsely puberulent, with 2-6 fascicled flowers. Pedicel filiform, 3-5 mm, sparsely puberulent. Flowers 9-10 mm. Calyx campanulate, ca. 3 mm long and wide, glabrous; teeth deltoid. Corolla whitish, 6-7 mm; standard elliptic to orbicular, base subtruncate, apex emarginate. Ovary puberulent. Legume ligulate-oblong, 4-9 x 1.2-1.5 cm, compressed, glabrous; abaxial suture with a 0.8-1.5 mm wide wing, adaxial suture with a 3-4 mm wide wing. Seed 1 per legume. [from Flora of China]

Ecology
Thickets or sparse forests on mountain slopes; 500-1400 m.

Uses

Distribution
Yunnan and Guangdon (southern China)

Local names
China: Wei ye yu teng.