Previous scientific name(s): Rhus borealis, Rhus calophylla, Rhus glabra var. cismontana, Rhus glabra var. laciniata, Rhus glabra var. occidental
Deciduous thicket-forming, root spreading shrub, commonly 4 to 7 ft., reaching up to 20 ft. tall. Found on moist, fertile, well-drained flats and hillsides from 5,000 to 7,500 feet elevation. Provides valuable cover for wildlife and its berries are an important source of food for birds.