Basionym: Millettia congestiflora T. C. Chen, Acta Phyto-tax. Sin. 3: 362. 1955.
Lianas, to 5 m. Stems yellowish brown, terete, ridged, densely villous, glabrescent. Leaves 5-foliolate; rachis 15-30 cm, including petiole 4.5-8.5 cm; leaflet blades broadly elliptic to ovate, 11-13 × 6-8 cm with basal pair smallest, papery, abaxially sparsely villous, adaxially glabrous except midvein, base obtuse to broadly cuneate, apex acute. Panicles terminal, 14-16 cm; flowering branchlets grouped in twos or threes, densely yellow villous, nodes crowded. Flowers ca. 1.6 cm. Ca-lyx outside densely sericeous. Corolla white or pale pink; stan-dard broadly ovate, without basal calluses, outside densely seri-ceous abaxially. Ovary densely villous, with 6 or 7 ovules. Leg-ume linear, 10-12 × 1.2-1.4 cm, flat, densely brown sericeous, contracted between seeds, base tapering, apex with a prolonged hooked beak. Seeds 3-6 per legume, chestnut-brown and ob-long when immature. Fl. Jun-Aug, fr. Sep-Oct.
Mountain woodlands; 500-1200 m. S Anhui, W Fujian, Guang-dong, Guizhou, Hubei, Hunan, Jiangxi, Sichuan.