Caragana opulens Kom.

Shrubs to 60 cm tall. Bark grayish brown. Branchlets bright gray. Leaves digitate, 4-foliolate; petiole 2-5 mm, persis­tent on long branchlets, caducous on short branchlets; leaflet blades obovate to oblanceolate, 3-12(-15) × 1-4(-8) mm, gla­brous or pubescent, apex rounded to truncate. Flowers solitary. Pedicel 0.7-2.5 cm, articulate apically. Calyx tube campan­ulate-tubular, 8-10 mm, base gibbous. Corolla yellow but stan­dard sometimes reddish; standard broadly obovate, 2-2.5 cm, apex emarginate; wings with claw slightly shorter than limb, auricle oblong; keel with claw slightly shorter than limb, auricle dentiform. Ovary glabrous. Legume cylindric, 2.5-4 cm, gla­brous, apex acute. Fl. May-Jun, fr. Jun-Jul. 2n = 16*.

It is a temperate plant. It grows on dry slopes between 1,200-4,700 m above sea level in north and central China.