乌苏里锦鸡儿 wu su li jin ji er

Caragana frutescens Linnaeus var. ussuriensis Regel, Mém. Acad. Imp. Sci. Saint Pétersbourg, Sér. 7, 4(1): 44. 1862.

Shrubs to 2 m tall. Bark dark brown. Current-year branch­lets brown, glabrous. Leaves pinnate, on short branchlets some­times digitate, 4-foliolate; petiole and rachis 2-15 mm, often caducous; leaflet blades oblong-obovate to oblanceolate, 10-17 × 4-7 mm, base cuneate, apex rounded to mucronate. Flowers solitary or rarely 2 in a fascicle. Pedicel 1.2-2 cm, articulate apically from middle. Calyx tube campanulate, 6-8 × 4-5 mm. Corolla yellow, later becoming reddish; standard narrowly obo­vate, 2.2-2.5 cm, apex slightly emarginate; wings with claw ca. 1/2 as long as limb, auricle small and obtuse; keel claw ca. 1/2 as long as limb, auricle small. Ovary glabrous. Legume 3-3.5 cm, slightly compressed. Fl. May-Jun, fr. Jul-Aug. 2n = 16, 48.

Hillsides; below 100 m. SE Heilongjiang [Russia (Far East)].