极东锦鸡儿 ji dong jin ji er

Robinia altagana Pallas var. fruticosa Pallas, Fl. Ross. 1: 69. 1784.

Shrubs to 2 m tall. Branches grayish green-brown; current-year branchlets greenish brown. Leaves pinnate, 8-12-foliolate, long petiolate; petiole and rachis 2.5-4 cm, caducous; leaflet blades oblong, 10-15 × 4-6 mm, glabrous, apex sometimes emarginate. Flowers solitary or rarely 2 in a fascicle. Pedicel 0.8-1.2 cm, articulate apically. Calyx tube campanulate, 5-6 mm. Corolla bright yellow, 1.6-1.9 cm; standard rhombic to broadly ovate, claw ca. 1/4 as long as limb, apex slightly emarginate; wings oblong, claw ca. 1/2 as long as limb, auricle dentiform; keel with claw nearly as long as limb. Ovary gla­brous. Legume cylindric, 3-3.5 cm. Fl. Jun, fr. Jul. 2n = 16.

Slopes in scrub; below 100-1800 m. Heilongjiang [Korea, E Russia].