Description from Flora of China
Caragana hopeiensis Yakovlev; C. zahlbruckneri C. K. Schneider var. pekinensis (Komarov) Yakovlev; C. zahlbruckneri var. pilosa Yakovlev.
Shrubs to 2 m tall. Branches brown to dark brown. Leaves pinnate, 12-16-foliolate; petiole and rachis 2-6 cm, caducous; leaflet blades elliptic to obovate-elliptic, 5-12 × 5-7 mm, both surfaces appressed pubescent, apex obtuse to rounded. Flowers solitary or 2(-4) in a fascicle. Pedicel 0.6-1.5 cm, articulate apically. Calyx tube tubular-campanulate, 7-8 mm. Corolla yellow, ca. 2.5 cm; standard broadly ovate to broadly elliptic; wings slightly longer than standard, claw ca. 2/3 as long as limb, auricle ca. 3 mm; keel slightly shorter than wings, claw longer than limb, auricle inconspicuous. Ovary sericeous. Legume compressed, 4-6 cm, densely pubescent. Fl. May, fr. Jul. 2n = 16*.
● Hillsides, loess hills; 400-1000 m. Hebei, N Shanxi.