Purshia tridentata, with the common name bitterbrush, is a shrub in the genus Purshia of the family Rosaceae. It is native to mountainous areas of western North America.
Description
Purshia tridentata is a deciduous shrub growing to a height of . It has many branches and slender green, The flowers are pale yellow, Varieties There are two named varieties of the species: • Purshia tridentata var. glandulosa — Eastern Sierra Nevada, Southern California • Purshia tridentata var. tridentata == Distribution ==
Distribution
The plant is found from southeastern British Columbia in the north, east to Montana and Wyoming, south to New Mexico, and west in California. It is often associated with Balsamorhiza as well as Wyethia species, and in southern areas hybridizes with Purshia stansburyana. Further north it occurs at lower elevations, such as at in British Columbia. ==Ecology==
Ecology
The shrub is an important forage plant for many game animals, including deer, ==References==