Shrub or small tree with short trunk or several branches turning and twisting from base; often vinelike and leaning or sprawling. Flowers 0.5 in (1.2 cm) wide; spreading purple sepals and whitish petals. Height: 25 ft (7.6 m). Diameter: 8 in (20 cm).
Moist soils, especially along shaded stream banks; in understory of coniferous forests.
Pacific Coast from southwestern British Columbia south to northern California; to 5,000 ft (1,524 m).
This handsome ornamental is dramatically colored in most seasons with bright green foliage turning orange and red in autumn, purple and white flowers in spring, and young red fruit in summer. The scientific name, meaning "rounded" or "circular," refers to the leaf shape.