- Ulmus americana 'L'Assomption'
Infobox Cultivar | name = "
Ulmus americana "
cultivar = 'L'Assomption'
origin = L'Assomption Experimental Station, Quebec, CanadaThe American Elm "Ulmus americana" cultivar 'L'Assomption' was selected from seedlings grown from X-irradiated seed at the eponymous experimental station inQuebec before1965 Ouellet, C-E., & Pomerleau, R., (1965). "Canad. J. Bot." 43:85-96,1965 .] Santamour, F. S., & Bentz, S. E., (1965). Updated checklist of elm (Ulmus) cultivars for use in North America. "Journal of Arboriculture", 21(3): May,1995 .] .Description
'L'Assomption' is a very slow-growing tree.
Pests and diseases
The tree is "highly resistant" to
Dutch elm disease .Cultivation
The tree is not known to be in cultivation beyond
Canada .Accessions
North America
*Morden Arboretum, Morden,
Canada , acc. no. 65-0328 (two trees received 1970 from the Forest Research Laboratory in Sillary,Quebec ).References
Wikimedia Foundation. 2010.