Family: Sapindaceae
ash-leaved maple, box elder
Mary Ann Feist
Mary Ann Feist
University of Wisconsin - Madison (WIS-VP)
Etymology: Acer: the classical Latin name for the maple
Plants: perennial tree up to 75' tall and up to 4' in diameter with the main trunk producing many small irregular branches; bark rough
Leaves: opposite, pinnately-divided into 3-5 (up to 9) leaflets; lance-like to oval or oblong, 4"-10" long, edges mostly with coarse, irregular teeth or lobes; end leaflet usually 3-lobed
Flowers: blooms April to May either before or when leaves open
Fruits: winged, paired fruit;
Habitat: moist; rich soil
Conservation Status: Native - potentially invasive
Plants: perennial tree up to 75' tall and up to 4' in diameter with the main trunk producing many small irregular branches; bark rough
Leaves: opposite, pinnately-divided into 3-5 (up to 9) leaflets; lance-like to oval or oblong, 4"-10" long, edges mostly with coarse, irregular teeth or lobes; end leaflet usually 3-lobed
Flowers: blooms April to May either before or when leaves open
Fruits: winged, paired fruit;
Habitat: moist; rich soil
Conservation Status: Native - potentially invasive
Floristic Rating: Coefficient of Conservatism = 0, Wetland Indicator = FACW- 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: Trees: Photos, descriptions, information USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. 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"
Mary Ann Feist
Mary Ann Feist
Keir Morse
Merel R. Black
Janice Stiefel
Kitty Kohout
Merel R. Black
Merel R. Black
Michael Clayton
Kitty Kohout
Paul Drobot
Paul Drobot
Paul Drobot
Paul Drobot
Botanical Illustration
Keir Morse