- Ulmus parvifolia is an erect tree from 30-60 ft. tall with a slender trunk and crown. The bark is exfoliating and flakey with colors ranging from gray, green, orange, and tan to red-brown.
- The small, elliptical, leaves are from 0.8-2 in. long, to 0.5-1 in. wide. The lea margins are single-toothed with a few double-toothed. The leaf base is unequal.
- The small, tight green inflorescence arises from the leaf axil. It blooms from August through September.
- Fruits are samaras, lime green when immature, and then maturing to a deep russet about October. The seed is notched at the tip and nearly fills the samara when mature.
- Ecological Threat
- Ulmus parvifolia can be found in a variety of different habitat types such as meadow, prairie, and landscaping. It prefers full to partial sun, and well drained soils.
- Weed of the Week - USDA Forest Service
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EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org
Invasive Listing Sources
- Faith Campbell, 1998
- Hoffman, R. & K. Kearns, Eds. 1997. Wisconsin manual of control recommendations for ecologically invasive plants. Wisconsin Dept. Natural Resources, Bureau of Endangered Resources. Madison, Wisconsin. 102pp.
- Jil M. Swearingen, Survey of invasive plants occurring on National Park Service lands, 2000-2007
- Mid-Atlantic Exotic Pest Plant Council, 2005
- New Jersey Department of Agriculture, Division of Plant Industry, 2004
- WeedUS - Database of Plants Invading Natural Areas in the United States
CategoriesCategory: Hardwood Trees
|Common Name Reference:|| USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|
|Scientific Name Reference:||USDA, NRCS. 2010. The PLANTS Database. National Plant Data Center, Baton Rouge, LA, USA.|