Distribution: Occurring on both sides of the Cascades crest in Washington, but found chiefly on the west side; Alaska south to California, east to Alberta and Idaho.
Habitat: Moist woods and swamps in the lower mountains.
Conservation Status: Not of concern
Spreading to erect shrub 2-4 m. tall, the branches angled, usually glabrous.
Leaves alternate, petiolate, the blades ovate to cordate, 3-5 lobed, the lobes bi-serrate, 4-8 cm. long and broad, dark green and glabrous above and paler below, with stellate hairs.
Flowers rather numerous in terminal clusters; calyx hemispheric, with stellate hairs, the 5 lobes ovate-lanceolate, 3 mm. long, somewhat reflexed; petals 5, white, sub-orbicular, 4 mm. long, spreading; stamens about 30, equaling the petals; pistils 3-5, attached to each other only at the base, mostly glabrous.
Fruit a glabrous follicle, 7-11 mm. long, swollen.