Ulmus parvifolia 'Sempervirens'
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The Chinese Elm cultivar ''Ulmus parvifolia'' 'Sempervirens' is an American introduction, commonly known by the synonym 'Evergreen', and may also be in synonymy for ''U. parvifolia'' 'Pendens'.


Description

Semi-evergreen to evergreen depending on climate, it is described as having a rounded crown and gracefully arching branches bearing deep-green foliage.


Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle '' Xanthogaleruca luteola''.


Cultivation

The tree was first listed by Bailey & Bailey in ''Hortus Second'', 747, 1941, and remains in commercial cultivation in the USA. It is not known to be in cultivation in Europe or Australasia.


Synonymy

*''Ulmus parvifolia'' 'Evergreen': ''Plant Buyer's Guide'', ed. 5, 253, 1949. *''Ulmus parvifolia'' 'Pendens', possible synonym. *''Ulmus parvifolia sempervirens'' 'True Green': Monrovia Nursery Catalogue, 1971.


Accessions


North America

*Bartlett Tree Experts, North Carolina, US. Acc. no. 1451 * Brooklyn Botanic Gardenbr>
New York City, New York, US. Acc. no. X00486.


Nurseries


North America

*C J Growers, San Diego, California, US. *ForestFar

Williams, Oregon, Williams, Oregon, US. (as 'Evergreen'). * Monrovia Nurserybr>
Azusa, California, Azusa, California, US.


References


External links

*http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees-new/cultivars/ulmus_parvifolia.htm ''Ulmus parvifolia'' cultivar list. Chinese elm cultivar Ulmus articles with images Ulmus {{Ulmaceae-stub