common prickly-ash, northern prickly-ash
[Zanthoxylum americanum f. impuniens Mill.]
Etymology: Zanthoxylum: from xanthos for "yellow" and xylon for "wood"
Plants: perennial shrub
Conservation Status: Native - potentially invasive
Floristic Rating: Coefficient of Conservatism = 3 WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Shrubs: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Purple Sage - Ethnobotanical Information: Detailed usage, preparation, and other helpful information Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"