Etymology: Acer: the classical Latin name for the maple
Plants: perennial tree usually 40'-70' tall and 1'-2' in diameter; often with a spreading top; milky juice
Leaves: opposite, undivided, 5-7 lobes with sharply-pointed tips and a few large teeth; indentations (sinuses) between main lobes rounded
Flowers: on a smooth stalk in an erect, stalked, rounded cluster (corymbs)
Invasiveness: Invasive - Eradicate!
Conservation Status: Introduced - naturalized; ecologically invasive
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. USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Trees: Photos, descriptions, information USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Virginia Tech Dept. of Forestry, College of Natural Resources: detailed description and photographs 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