- an evergreen shrub, Purshia tridentata, of western North America, having bitter three-toothed leaves and yellow flowers, valuable for forage.
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Examples from the Web for bitterbrush
Historical Examples of bitterbrush
Troy tracked around a trough of bitterbrush that bent and fought against the deep snow.The Thirst Quenchers
Purshia tridentata (bitterbrush) is the understory codominant.