Ulmus davidiana var. japonica 'Prospector'
Elm cultivar / From Wikipedia, the free encyclopedia
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The Japanese elm cultivar Ulmus davidiana var. japonica 'Prospector' was originally treated as a cultivar of Wilson's elm U. wilsoniana Schneid., a species sunk as Ulmus davidiana var. japonica by Fu.[1] A U.S. National Arboretum introduction (NA 55398), it was selected in 1975 from a batch of 1965 seedlings in Delaware, Ohio, and released without patent restrictions in 1990.[2] 'Prospector' proved moderately successful in the US National Elm Trial, averaging a survival rate of 76% overall.[3]
Ulmus davidiana var. japonica 'Prospector' | |
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Variety | Ulmus davidiana var. japonica |
Cultivar | 'Prospector' |
Origin | National Arboretum, US |
'Prospector' was introduced to the UK in 2009, by Hampshire & Isle of Wight Branch, Butterfly Conservation, as part of an assessment of DED-resistant cultivars as potential hosts of the endangered White-letter Hairstreak.[4]