Morton Stalwart (Commendation™)
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| Ulmus Morton Stalwart Commendation™ |
|---|
| Hybrid parentage |
| Accolade™ × (U. pumila × U. minor). |
| Cultivar |
| Morton Stalwart Commendation™ |
| Origin |
| USA |
The elm hybrid cultivar Morton Stalwart Commendation™ is a Morton Arboretum selection, derived from a controlled crossing of the Accolade™ hybrid with a hybrid of the Siberian Elm U. pumila and a selection of Field Elm U. minor from eastern Russia. Commendation™ is vigorous and robust, with upright branches supporting relatively large leaves. The tree is highly tolerant of drought but, like some of the other Morton introductions, can be readily defoliated by the elm leaf beetle, Japanese beetle and Gypsy moth. Commendation™ is being promoted by the Chicagoland Grows corporation.
Contents |
[edit] Arboreta etc. accessions
[edit] North America
- Arnold Arboretum acc. no. 131-2002
- Bartlett Tree Experts acc. nos. 2003-370, 2003-371, 2004-329, 2004-339.
- Holden Arboretum acc. no. 00-124
- Morton Arboretum acc. nos. 274-97, 109-2006
- Smith College acc. no. 36405
[edit] Europe
None known
[edit] Nurseries
[edit] North America
- Acorn Farms [1], Galena, Ohio.
- J. Frank Schmidt & Co. [2], Boring, Oregon.
- Willoway Nurseries [3], Avon, Ohio.
[edit] Europe
None known.
[edit] Synonymy
None.
[edit] References
- Miller, F. (2002). New elms for the landscape and urban forest (pdf file).
- Santamour, J., Frank, S. & Bentz, S. (1995). Updated checklist of elm (Ulmus) cultivars for use in North America. Journal of Arboriculture, 21:3 (May 1995), 121-131. International Society of Arboriculture, Champaign, Illinois, USA.
- Warren, K., J. Frank Schmidt & Son Co. (2002). The Status of Elms in the Nursery Industry in 2000.
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