The Chinese Elm cultivar Ulmus parvifolia 'Ohio' was raised by A. M. Townsend at the USDA National Arboretum,[1] and released in 1992.
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Transcription
Description
'Ohio' is a moderately vase-shaped tree growing to approximately 13 m in height, the crown much the same in diameter but appears much looser and more open than most varieties.[2] The small leaves are grass-green in colour, turning a dull red in autumn. The samarae too are reddish in colour.[3]
Pests and diseases
The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the elm-leaf beetle (Xanthogaleruca luteola).[4]
Cultivation
Initially marketed by Princeton Nurseries, near Kingston, New Jersey (but not listed 2007), the tree is not known to be in cultivation beyond North America.
Accessions
North America
References
- ^ "Trees - Listed by Common Name".
- ^ "Elm". www.ca.uky.edu. Archived from the original on 2012-03-24.
- ^ Amer. Nurseryman, 176 (12), 72, 1992
- ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
External links
- http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees-new/cultivars/ulmus_parvifolia.htm Ulmus parvifolia cultivar list.
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This page was last edited on 2 February 2024, at 19:25