The Chinese Elm cultivar Ulmus parvifolia 'Drake' was marketed by the Monrovia Nursery of Azusa, California from 1952 to 1953.
| Ulmus parvifolia 'Drake' | |
|---|---|
 Autumnal foliage, U. parvifolia 'Drake' | |
| Species | Ulmus parvifolia |
| Cultivar | 'Drake' |
| Origin | US |
Description
editThe tree has upright, spreading branches bearing dark-green leaves.[1] 'Drake' is also distinguished by having a bark that begins exfoliating at a relatively young age [1].
Pests and diseases
editThe species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola.[2]
Cultivation
edit'Drake' became the most popular form of U. parvifolia planted in the southern and western states of the United States.[3] One specimen is known to have been introduced to Europe.
Synonymy
edit- Ulmus 'Brea': Keeline-Wilcox Nursery, Brea, California, Cat. Winter 1952.
Accessions
edit- North America
- U S National Arboretum [2][permanent dead link], Washington, D.C., United States. Acc. no. 36533
- Europe
- Grange Farm Arboretum, Sutton St. James, Spalding, Lincolnshire, UK. One specimen, acc. no. 704.
Nurseries
editNorth America
edit(Widely available)
References
edit- ^ Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
- ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
- ^ Dirr, M. A. (2002). Dirr's Trees and Shrubs for Warm Climates, Timber Press, Portland, Oregon, USA. ISBN 0-88192-525-X
External links
edit
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