Description from Flora of China
Caragana leduensis Y. Z. Zhao, Y. H. Wu & L. Q. Zhao.
Shrubs to 4 m tall. Bark exfoliating in sheets. Old branches greenish brown. Leaves pinnate, (4 or)6-foliolate; petiole and rachis 1.5-4 cm, persistent; leaflet blades oblanceolate to oblong-ovate, 8-15 × 3-8 mm, with apical pair often largest, abaxial surface and margin villous, apex acute. Flowers solitary. Pedicel 0.8-1.5 cm, articulate basally. Calyx tube campanulate-tubular, 0.8-1.3 cm. Corolla yellow, 2.3-2.7 cm; standard obovate, apex emarginate; wings with claw slightly shorter than limb, auricle linear and 1/2-3/4 as long as claw; keel with claw ca. 3/4 as long as limb. Ovary densely pubescent. Legume linear, 3-4 cm, outside appressed pubescent, inside glabrous. Fl. May-Jun, fr. Jul-Sep. 2n = 16*.
● Shrubby slopes, sunny slopes, woodlands; 2000-4000 m. Gansu, S Ningxia, Qinghai, W Sichuan.