Description from Flora of China
Shrubs, 1-4 m tall. Leaves digitately 3-foliolate, entire; stipules large, opposite to petiole, basal 2/3 fused and surrounding stem, leaving a prominent scar when fallen, free apical portion acute. Racemes terminal, with 2 or 3 flowers at nodes, in whorls; bracts stipulelike, connected at base into a sheath, deciduous; bracteoles absent. Calyx 5-toothed, proximal 2 lobes mainly fused with a bifid tip, falling after flowering at articulation surrounding perigynous line. Corolla yellow, petals subequal. Stamens free; anthers uniform. Ovary stipitate; ovules 2-10. Legume broadly linear, stipitate, thinly leathery, compressed, continuous inside. Seeds reniform, with a minute strophiole.
Two species: Bhutan, China, India, Kashmir, Nepal; two species (one endemic) in China.