Comon names[source]:

• creeping barberry
• creeping mahonia
• Oregon barberry
• Oregon grape-holly
• Mahonia rampant

Distribution:[source]

AZ CA CO ID IN MN MT NE NV NM ND OR PA SD TX UT WA WY

Medicinal uses: Leaves were chewed for acne and made into tonic for rheumatic stiffness. [Source] Roots were used to cure desentery, thicken the bllods and cure coughs, kidney problems and venereal diseases. [Source]

 

Description:

Berberis Repens (Oregon-grape) is native to the western United States and Canada. This plant is a perennial with yellow flowers and leaves with spines. Various Native American tribes used preparations of the roots of Berberis Repens to treat different illness.[source]

Research:

Transfer of Specific and Infraspecic Taxa from Mahonia to Berberis [PDF]

Plant Naturalization and Invasions in the Eastern United States [PDF]

Synergy in a Medicinal Plant: Antimicrobial Action of Berberine Potentiated by 5′-methoxyhydnocarpin, a Multidrug Pump Inhibitor [PDF]

Exotic Plant Species Alter the Microbial Community Structure and Function in the Soil [PDF]

Seasonal Water Potential Patterns in the Mountain Brush Zone, Utah [PDF]

Botanical and Ecological Characteristics

 

Pollination: Berberis Repens is pollinated by bees and butterflies. Self Pollination may occur.[Source]

Breeding System : Monoecious [Source]

Seed production : Fruit crops are produced annually from cross-pollination [Source]

Seed Dispersal: Birds and Mammals [Source]

Germination: Requires stratification.Poor germinator when planted on game ranges of Utah.[Source]

Seedling establishment/growth: Growth after disturbance is rapid.[Source]

Asexual Regeneration: Berberis repens regenerates by rhizomes. and layering.[Source]

Elevation in Utah: 3,600-9800 feet (1,100-3,000 m) [Source]

Seasonal Development in Utah: Ripens from June-September [Source]