Shrubs to 1.5 m tall. Branches brownish black to greenish brown; current-year branchlets reddish brown. Leaves pinnate, 10-18-foliolate; petiole and rachis 3-8 cm, caducous; leaflet blades obovate-oblong, oblanceolate, or narrowly oblanceolate, 6-18 × 4-6 mm, nearly glabrous to appressed pubescent, apex rounded to obtuse. Flowers solitary or 2 in a fascicle. Pedicel 0.8-1.5 cm, articulate at or apically from middle. Calyx tube campanulate-tubular, 7-8 mm. Corolla yellow; standard obovate to suborbicular, 2.3-2.5 cm, claw short; wings with claw slightly longer than or equal to limb, auricle dentiform; keel with claw slightly longer than limb, auricle inconspicuous. Ovary glabrous. Legume 4-4.5 cm, glabrous. Fl. May, fr. Jul.
Home