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Ulmus davidiana var. japonica 'Jacan'
The Japanese Elm cultivar ''Ulmus davidiana'' var. ''japonica'' 'Jacan' is a cold-resistant selection from Canada. The tree was raised by the Morden Research Station, Morden, Manitoba in the 1980s ().
==Description==
'Jacan' develops a rounded crown form typical of the species; the foliage turns a deep red in autumn.〔Ronald, W. G. (1979). 'Jacan' Japanese Elm. ''Canadian Journal of Plant Science'', 59, 267-268〕 The species does not sucker from roots. 〔Heybroek, H. M. (1981). The Japanese elm species and their value for the Dutch elm breeding program. ''Proceedings of the Dutch Elm Disease symposium and workshop''. October 5–9, 1981, Winnipeg, Manitoba. pp 78–90〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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