Family: Anacardiaceae
common eastern poison-ivy, poison-ivy
[Rhus radicans L.]
Emmet J. Judziewicz
Kenneth J. Sytsma
Etymology: Toxicodendron: means "poison tree"
Plants: climbing, perennial, woody vine; stems with centipede-like aerial roots that grasp the host tree
Leaves: alternate, somewhat shiny, 3-parted, leaflets with large teeth or shallow lobes
Flowers: 5-parted; blooms May-June
Fruits: whitish berry
Habitat: woods, wood edges, floodplains, openings
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Plants: climbing, perennial, woody vine; stems with centipede-like aerial roots that grasp the host tree
Leaves: alternate, somewhat shiny, 3-parted, leaflets with large teeth or shallow lobes
Flowers: 5-parted; blooms May-June
Fruits: whitish berry
Habitat: woods, wood edges, floodplains, openings
Hazardous: Careful, this plant is hazardous!
Conservation Status: Native
Floristic Rating: Coefficient of Conservatism = 4, Wetland Indicator = FAC+ 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 Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave 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"
Kenneth J. Sytsma
Robert W. Freckmann
Caroline A. Creevey
Botanical Illustration
Paul E. Berry
Peter A. Black
Christopher Noll
Aaron_Carlson
Christopher Noll
Aaron_Carlson
Merel R. Black
Aaron_Carlson
Michael Clayton
