Etymology: Rhus: derived from rhous, an ancient Greek name for Sumac
Plants: perennial shrub usually with only a few branches; twigs smooth; forming large colonies
Leaves: alternate, pinnately-divided into 11-31, often toothed leaflets, very pale below, main axil not winged
Flowers: in terminal cluster to 8"
Fruits: bright red, flattish, very hairy berry
Habitat: uplands, roadsides, woods edges
Conservation Status: Native - potentially invasive
Floristic Rating: Coefficient of Conservatism = 2 WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin invasive species including decription, habitats, control methods Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times 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. Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key. David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions 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" Landscape Plants of the Upper Midwest; UW-Extension: Interactive guide providing information on cultivation including: soil, zone, growth rate, landscape uses, pruning, light requirements; with photos and Latin name pronounciation