Mark Tierno's Medicinal Herbs Database

    Oregon Grape
Botanical Name   Mahonia aquifolia
System Affected   skin, blood, antibiotic
Properties   The yellow bark: antioxidant Roots: blood purifying, antibiotic, constipation, rheumatism, skin diseases (acne, psoriasis, etc.)
Description   evergreen shrub with yellow bark
Origin   NW USA, British Columbia
Toxicity   none
Dosage   take as a tea or tincture

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