Etymology: Rubus: Latin name for "bramble" or "blackberry"
Plants: erect to arching, perennial shrub; first year's canes sometimes rooting at the tip, whitened; a few fine thorns with wide bases
Leaves: undivided to 3-5 parted with deep, irregular teeth; underside covered with soft gray or white fuzz
Flowers: white, 5-parted, 1/2" wide, petals shorter than the sepals; inflorescence of 3-7 flowers in a dense, umbel-like cluster (cyme) and also 1 or 2 from the upper leaf axils; blooms May-June
Fruits: purple/black, 1/3" thick, round berry with a hollow center
Habitat: dry to moist; woods, fields, thickets
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 2 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. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"