Official State Flowers of the United States
Mahonia aquifolium - Oregon Grape
Mahonia aquifolium – Oregon Grape
State Flower of Oregon – Oregon designated the Oregon grape blossom as the official state flower in 1899.
Mahonia aquifolium (Oregon-grape or Oregon grape) is a species of flowering plant in the family Berberidaceae, native to western North America. It is an evergreen shrub growing to 1 m (3 ft) tall by 1.5 m (5 ft) wide, with pinnate leaves consisting of spiny leaflets, and dense clusters of yellow flowers in early spring, followed by dark bluish-black berries.