Native to (or naturalized in) Oregon:
- Deciduous, usually a small shrub, but 30 inches to 9 ft (0.1-2.7 m) tall. Leaves alternate, compound, pinnate, 4-6(-9) leaflet pairs, elliptic or oblong-elliptic, 1-2 cm × 0.6-0.9 cm, dark green above, apex acute to obtuse, base rounded, margin sharply serrate; leaves yellow/red in fall. Flower in loose clusters, white to pinkish, 7 mm diam. Fruit globose, white to pink, 7 mm diam.
- Sun to part shade. Best in moist peaty soil. Reportedly difficult to cultivate.
- Hardy to USDA Zone 3 Native to stony slopes, forming low shrubby thickets in high mountain areas; 3000--4000 m, China (NW Yunnan) and northern Myanmar. Introduced into the West in 1926 by Kingdom Wade and again in 1951 (Hillier, 1998).
- poteriifolia: with leaves like Poterium, which are pinnately compound and have toothed leaflets