oregon grape

Mahonia aquifolium, the Oregon grape, is a species of flowering plant in the family Berberidaceae, native to western North America. It is an evergreen shrub growing 1 m (3 ft) to 3 m (10 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.

The specific epithet aquifolium denotes 'sharp-leafed' (as in Ilex aquifolium, the common holly), referring to the spiny foliage.The common ...