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Ulmus 'Morton'
Elm cultivar / From Wikipedia, the free encyclopedia
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Ulmus 'Morton' (selling name Accolade) is an elm cultivar cloned from a putative intraspecific hybrid planted at the Morton Arboretum in 1924, which itself originated as seed collected from a tree at the Arnold Arboretum in Massachusetts. Although this tree was originally identified as Ulmus crassifolia, it is now believed to have been a hybrid of the Japanese elm (Ulmus davidiana var. japonica) and Wilson's elm (formerly Ulmus wilsoniana, but also sunk as U. davidiana var. japonica).[1] Accolade has proven to be the most successful cultivar tested in the US National Elm Trial, averaging a survival rate of 92.5% overall.[2]
Quick Facts Ulmus 'Morton', Genus ...
Ulmus 'Morton' | |
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![]() Accolade, Morton Arboretum, Illinois | |
Genus | Ulmus |
Hybrid parentage | U. davidiana var. japonica × U. davidiana var. japonica |
Cultivar | 'Morton' = Accolade |
Origin | US |
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