Purshia tridentata

Bitterbrush
Purshia tridentata, Wenas Wildlife Area
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Rosaceae
Genus: Purshia
Species:
P. tridentata
Binomial name
Purshia tridentata
Synonyms
  • Tigarea tridentata Pursh

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.

Common names include antelope bitterbrush, antelope bush, buckbrush, quinine brush, and less commonly deerbrush, blackbrush, and greasewood. Some of these names are shared with other species.