Taxonomy
| Clade | angiosperm |
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| Family | Ulmaceae |
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| Genus | Ulmus |
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| Species | americana |
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| Common Name | American elm |
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| iTree Code | ULAM |
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Plant Form
| Form | Tree: vase shaped canopy |
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| Height | 120 feet |
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| Spread | 70 feet |
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| Deciduous | Yes |
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Identification Description
| Foliage | doubly serrate edges, uneven at base, tip pointed (3-4"), V-venation |
Leaf Type
 |
Simple |
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| Bark | grayish (often white streaks present), furrowed ridges; cross-section has “bacon” pattern |
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| Bud | false terminal bud, red/brown pointed, non-hairy; distinct overlapping scales (imbricate) |
Bud Arrangement
|
Alternate |
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| Twig | slender, reddish brown in current year, then gray; zig-zag appearance |
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| Flower | small, clustered, green with red, white before leaves; male and female organs on same flower (perfect) |
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| Fruit | small, papery disk (samara) with hairs and notch at top |
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| Fall Color | yellow |
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Site Characteristics
| USDA Zones
|
pH Levels | Salt Tolerance |
| Min | 3b |
Min | 5.0 |
Soil | Moderate |
| Max | 9b |
Max | 8.0 |
Spray | Moderate |
| Shade Tolerance | Drought Tolerance | Allelopathy |
| Intermediate |
Moderate |
No |
Species Status
| Nebraska Native |
|
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| U.S. Native |
|
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| Region of Origin | Canada, United States |
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| More Information | Visit External Site |
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