California barberry (Mahonia pinnata) is an upright evergreen shrub native to California, in western North America, its tart fruit edible and its roots and leaves a source of green, violet, and blue-purple dyes.1
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California barberry (Mahonia pinnata) is an upright evergreen shrub native to California, in western North America, its tart fruit edible and its roots and leaves a source of green, violet, and blue-purple dyes.1