Ulmus americana 'Moline'
| Ulmus americana | |
|---|---|
| Cultivar | 'Moline' |
| Origin | Moline, Illinois, USA |
The American Elm cultivar Ulmus americana 'Moline' was cloned from a wild seedling transplanted to Moline in 1903 and propagated from 1916 .[1]
Description
'Moline' is distinguished by its narrow but open form, the older branches ultimately horizontal .
Pests and diseases
In trials at the Morton Arboretum, Illinois, the tree was eschewed by the Elm Leaf Beetle Xanthogaleruca luteola. The tree's resistance to Dutch elm disease is not known.
Cultivation
In earlier field trials at Morton, 'Moline' was found to have a relatively fast growth rate, exceeding 7.7 m (25 ft) in height in 10 years. The tree is not known to have been introduced to Europe or Australasia.
Synonymy
- Ulmus americana var. molinensis: Bailey & Bailey, Hortus Second 746, 1941.
Hybrid cultivars
'Moline' was crossed with American Elm W-185-21 to create the moderately disease-resistant cultivar 'Independence'.
Accessions
North America
- Morton Arboretum. Acc. no. 1297-27.
References
- ↑ Green, P. S. (1964). Registration of cultivar names in Ulmus. Arnoldia, Vol. 24. Arnold Arboretum, Harvard University.
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