多刺锦鸡儿 duo ci jin ji er

Robinia spinosa Linnaeus, Mant. Pl. 2: 269. 1771.

Shrubs to 50 cm tall. Old branches yellowish brown; branchlets reddish brown, pubescent when young. Leaves clus­tered, pinnate and 6-foliolate on long branchlets, digitate and 4-foliolate on short branchlets; petiole 2-3 mm or absent; rachis 1-5 cm and persistent on long branchlets; leaflet blades nar­rowly oblanceolate to linear, 1.5-2(-3) cm × 2-4 mm, appressed pubescent. Flowers solitary or 2 in a fascicle. Pedicel 2-4 mm, articulate basally. Calyx tube tubular, 7-10 mm. Corolla yellow, 2-2.2 cm; standard obovate, claw 3-4 mm, apex obtuse; wings with claw ± as long as limb, scarcely auricled; keel claw ± as long as limb, auricle absent, apex acute. Ovary glabrous. Leg­ume 2-2.5 cm × 3-4 mm, glabrous. Fl. Jun-Jul, fr. Sep. 2n = 32.

Hillsides, riversides, bottomlands; 1200-1300 m. Xinjiang [Ka­zakhstan, Mongolia, Russia (Siberia)].