Family: Ulmaceae
American elm, white elm
Matthew L. Wagner
Michael Clayton
University of Wisconsin - Madison (WIS-VP)
Etymology: Ulmus: the classical Latin name for the elm
Plants: perennial tree 70'-110' tall with a spreading, vase-shaped crown; light brown to gray, deeply fissured, peeling bark
Leaves: oval to oblong-obovate, bases unequal, edges doubly toothed
Flowers: brown, pointed buds; inflorescence a less than 1" hanging cluster; blooms winter into early spring
Fruits: yellowish to cream samara with narrow wings and hairy edges; seeds thick but not inflated
Habitat: moist; woods, swamps, fencerows, fields, waste places
Conservation Status: Native
Plants: perennial tree 70'-110' tall with a spreading, vase-shaped crown; light brown to gray, deeply fissured, peeling bark
Leaves: oval to oblong-obovate, bases unequal, edges doubly toothed
Flowers: brown, pointed buds; inflorescence a less than 1" hanging cluster; blooms winter into early spring
Fruits: yellowish to cream samara with narrow wings and hairy edges; seeds thick but not inflated
Habitat: moist; woods, swamps, fencerows, fields, waste places
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 3, Wetland Indicator = FACW- USDA Plants Database: Federal Distribution and detailed information including photos USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin 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: Interactive guide providing information on cultivation including: soil, zone, growth rate, landscape uses, pruning, light requirements; with photos and Latin name pronounciation
Michael Clayton
Know Your Trees
Dennis W. Woodland
David Lee
David Lee
Robert R. Kowal
Aaron_Carlson
Kurt Stüber
