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Berberis aquifolium/Mahonia aquifolium
(Berberidaceae)
MOUNTAIN GRAPE, OREGON GRAPE,
HOLLY-LEAVED BARBERRY
The root and rhizome of this shrub, which is a common garden plant, are
given by herbalists for inflammation of the digestive system, inflamed
joints, and skin problems.
A common garden plant in temperate countries, it originated in the mountains between Oregon in the United States and British Columbia in Canada and has been
introduced to other countries only since the mid-19th century. It is a tall shrub with large, holly-like, evergreen leaves,
clusters of small yellowish and strongly scented flowers,
and bunches of smooth dark-purple berries.
PARTS USED
Root, rhizome.
ACTIVE INGREDIENTS
Alkaloids, including berberine,
hydrastine, and oxycanthine.
ACTIONS
Laxative; suppresses nausea and vomiting; increases the flow of bile.
MEDICINAL USE
Used for inflammation of the stomach, gallbladder or intestines, and for inflamed joints in rheumatic disease.
Also given for skin complaints such as psoriasis and eczema.
PREPARATIONS
Decoction, tincture.
CAUTION
Avoid in pregnancy. |
