Etymology: Berberis: the Latinized form of the Arabic name for the fruit
Plants: perennial, spiny shrub to 8' with many branches
Leaves: mostly with smooth edges
Flowers: yellow, petals notched; solitary or in clusters (umbel-like) of 5-10 flowers
Invasiveness: Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
Flora of North America: Flora of North America Floristic Rating: Wetland Indicator = FACU- WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods Invasive And Exotic Species of North America: Descriptions, management issues, warnings, photos, etc. University of Wisconsin - Green Bay: Shrubs: Photos, descriptions, information USDA Plants Database: Federal Distribution and detailed information including photos USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Landscape Plants of the Upper Midwest; UW-Extension: Note: INVASIVE. Interactive guide providing information on cultivation including: soil, zone, growth rate, landscape uses, pruning, light requirements; with photos and Latin name pronounciation