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Taxon
Ulmus americana 'Jefferson'
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Common name:
American Elm cultivar
Family:
Ulmaceae (Elm)
Distribution:
Cultivated
Hardiness:
-20 - 30 F
Life form:
Deciduous tree
Bloom Time:
February to March
Disease resistance:
Excellent resistance to Dutch elm disease.
Fall color:
Yellow
Foliage characteristics:
Simple, alternate, ovate, double serrated leaves.
Fruit characteristics:
Sterile
Average height:
40-50'
Structure:
Vase
Description:
This American elm cultivar has strong resistance to Dutch elm disease, but is mainly only planted in Washington, DC. Introduced in 2005, it was reportedly cloned from an elm right here on the National Mall that has survived since the 1930s. It is considered sterile.
Links:
J. Frank Schmidt and Son Co.
•
Missouri Botanical Garden Plant Finder
•
The Morton Arboretum
Locations
1:
National Museum of American History
(NMAH)
• Accession: 2018-0037*A • Provenance: From a cultivated plant not of known wild origin
2:
National Museum of American History
(NMAH)
• Accession: 2023-0563 • Provenance: From a cultivated plant not of known wild origin
3:
National Museum of Natural History
(NMNH)
• Accession: 2011-0908*A
4:
National Museum of Natural History
(NMNH)
• Accession: 2018-0036*A • Provenance: From a cultivated plant not of known wild origin
5:
National Museum of Natural History
(NMNH)
• Accession: 2023-0541 • Provenance: From a cultivated plant not of known wild origin
6:
National Museum of the American Indian
(NMAI)
• Accession: 2018-1072*A • Provenance: From a cultivated plant not of known wild origin
Area
Individual