北疆锦鸡儿 bei jiang jin ji er

Shrubs to 2 m tall. Bark brown. Leaves digitate, 4-folio­late; petiole 2-10 mm and persistent on long branchlets, cadu­cous on short branchlets; leaflet blades obovate to broadly lan­ceolate, 1-2(-3) × 0.6-0.7(-1) cm, glabrous, apex obtuse to acute. Flowers solitary or 2 in a fascicle. Pedicel 1-1.5(-2) cm, articulate apically. Calyx tube 9-10 mm, base gibbous. Corolla yellow, 2.8-3.1 cm; standard suborbicular to ovate, claw ca. 1/4 as long as limb; wings with claw ca. 1/3 as long as limb, auricle ca. 4 mm; keel with claw ± as long as limb, auricle inconspic­uous. Ovary densely pubescent. Legume cylindric, 4-5 cm, pu­bescent. Fl. May-Jun, fr. Jul-Aug. 2n = 32.

Rocky dry slopes, valleys; 600-1800 m. Xinjiang [Kyrgyzstan].