Mahonia aquifolium

Mahonia aquifolium, commonly known as 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.

Description

Mahonia aquifolium is a large, multi-stemmed evergreen shrub that can grow up to 1 meter high and 1.5 meters wide. The leaves are dark green, glossy, and holly-like, with sharp spines on the margins. The plant produces bright yellow flowers in the spring, which are followed by clusters of dark, bluish-black berries in the summer.

Distribution and habitat

Mahonia aquifolium is native to the western regions of North America, from British Columbia in Canada down to northern California in the United States. It is typically found in forested areas and open woodlands, and is often used in landscaping for its attractive foliage and flowers.

Uses

The berries of Mahonia aquifolium are edible and are often used to make jellies, jams, and wines. The plant is also used in traditional medicine, particularly by indigenous peoples of North America, for its purported healing properties. The root and bark are used to make a yellow dye.

Cultivation

Mahonia aquifolium is a popular plant for gardens and landscaping, due to its attractive foliage, flowers, and berries, as well as its resistance to pests and diseases. It prefers well-drained soil and can tolerate both full sun and partial shade.

See also

• Mahonia
• Berberidaceae
• Oregon grape