Mahonia aquifolium is a botanical species also known as Oregon grape or holly-leaved barberry. This evergreen shrub is native to western North America, and its leaves are spiny and resemble holly leaves. The plant bears yellow flowers in the spring and blue-purple berries in the fall. Mahonia aquifolium has several synonyms, including Berberis aquifolium, Mahonia nervosa, and Berberis nervosa. The genus name, Mahonia, was named after the American horticulturist Bernard McMahon, while the species name, aquifolium, means "sharp-leaved" in Latin. Overall, Mahonia aquifolium is a stunning and versatile plant that provides both ornamental and medicinal value.