Native to (or naturalized in) Oregon:
- Deciduous shrub, erect, 3-10 ft (0.9-3 m) tall, loosely branched, branches red or purplish. Leaves alternate, simple, 3-10 cm long, broadly ovate to elliptic, thin, margins serrate, dark green glabrous above, pubescent on veins on the underside, 3 veins at base, petiole 2.5 cm long. Flowers small, 3-5 mm, white or pinkish, in clusters up to 4 cm long. Fruit is a 3-lobed smooth capsule, 4 mm long.
- Sun or partial shade; does well on dry or moist well-drained soil. After leaf fall, the reddish stems are attractive in the winter landscape.
- Hardy to USDA Zone 7 Native from southern British Columbia to northern California, eastward to Idaho and Montana.
- sanguineus: blood red, a reference to the reddish flower stalks.
- Dallas, Oregon: Delbert Hunter Arboretum