Pachliopta camarines
Image: lokechin (cc-by-nc)
NamePachliopta camarines
Scientific NameMahonia aquifolium
Common NamesOregon Grape, Holly-leaved Barberry
Plant FamilyBerberidaceae
Natural HabitatNative to western North America, it thrives in coniferous forests, woodlands, and clearings, often preferring moist, shaded areas but tolerating sun.
Parts Usedroot,bark
Medicinal Actionsantimicrobial,anti-inflammatory,astringent,antioxidant
Traditional UsesTraditionally, Native American tribes used Oregon Grape for various ailments, including skin conditions like eczema and psoriasis, fevers, and digestive complaints. The root and bark are valued for their bitter properties, often employed to support liver function, stimulate bile flow, and act as a general tonic.
Active ConstituentsBerberine, Oxyacanthine, Hydrastine
Preparation Methodsdecoction,tincture,powder
Contraindications & WarningsNot recommended for use during pregnancy due to potential uterine stimulant effects. High doses may cause gastrointestinal upset. It may interact with certain medications, particularly those metabolized by the liver, such as cyclosporine and warfarin.
Cultivation NotesThis hardy shrub prefers partial shade to full sun and well-drained soil. It is drought-tolerant once established and can be propagated by seed, cuttings, or division. Tolerates a wide range of soil types.
Raritycommon
Description
Mahonia aquifolium is an evergreen shrub characterized by its spiny, holly-like leaves that turn bronze in winter. It produces clusters of bright yellow flowers in early spring, followed by dark blue, edible berries.
