Habit: upright, clump forming, herbaceous perennial with basal leaves having 3 lobes, and upper leaves segmented into 3 parts; all leaves are toothed. The stem is covered in small hairs. Flowers are terminal with five delicate, yellow petals. Fruits are achenes with hooked styles that congregate together forming a globe of red hooked styles. Blooms between May and June.
Ecology: found in moist woods and meadows, and near streams at elevations under 10,800 ft (3300 m).
Growing Conditions: full to partial sun, in moist, well-drained soil. Oregon avens tolerates seasonal flooding.
