Native to (or naturalized in) Oregon:
- Deciduous shrub, compact, multi-stemmed, upright then arching, slow-growing, 5 × 5 ft (1.5 × 1.5 m) tall and wide, spreading. Leaves alternate, pinnately compound, small, 4 linear leaflets, about 1 cm long, dull green. Flowers pea-like, small, yellow. Pods small, about 2 cm long, linear.
- Sun, adaptable, even to dry sites, very cold hardy, tolerates wind. Commonly planted in the upper Mid-west, often grown as a hedge.
- Hardy to USDA Zone 3 Native to northwestern China and Siberia.
- pygmaea: dwarf