Ulmus parvifolia 'Dynasty'
Encyclopedia
The Chinese Elm Ulmus parvifolia Jacq. cultivar 'Dynasty' is a National Arboretum
United States National Arboretum
The United States National Arboretum is an arboretum in Washington, D.C., operated by the United States Department of Agriculture's Agricultural Research Service as a division of the Henry A. Wallace Beltsville Agricultural Research Center...

 introduction reputed to be very fast growing.

Description

A medium tree rarely exceeding 13 m in height, with a spread of similar dimension producing a very rounded shape. Opinions of the tree's aesthetic merit vary; Dirr considered that the tree "borders on a boondoggle
Boondoggle (project)
A boondoggle is a project that is considered to waste time and money, yet is often continued due to extraneous policy motivations.- Etymology :...

" whereas Warren and Jacobson thought the shape 'good', and the foliage a decent autumn colour (the leaves turn orange-yellow).

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease
Dutch elm disease
Dutch elm disease is a disease caused by a member of the sac fungi category, affecting elm trees which is spread by the elm bark beetle. Although believed to be originally native to Asia, the disease has been accidentally introduced into America and Europe, where it has devastated native...

, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola
Xanthogaleruca luteola
Xanthogaleruca luteola, commonly known as the Elm Leaf Beetle, is a serious pest of the elm. Indigenous to Europe, it was accidentally introduced to North America. Both the imagines and larvae feed on the emergent leaves of the elm...

http://www.sunshinenursery.com/survey.htm. Moreover, the tree's foliage was adjudged "resistant" to Black Spot by the Plant Diagnostic Clinic of the University of Missouri
University of Missouri
The University of Missouri System is a state university system providing centralized administration for four universities, a health care system, an extension program, five research and technology parks, and a publishing press. More than 64,000 students are currently enrolled at its four campuses...

 http://soilplantlab.missouri.edu/plant/diseases/resistant.htm.

Cultivation

The tree is largely limited to North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...

, although it has been introduced to Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

.

North America

  • Bartlett Tree Experts. Acc. nos. 87-1060/1/2, 2004-326, 2004-336
  • Dawes Arboretum
    Dawes Arboretum
    The Dawes Arboretum is a non-profit arboretum located outside of Columbus in Newark, Ohio. As one of the premier public gardens in North America, The Dawes Arboretum has over of plant collections, gardens and natural areas...

     http://www.dawesarb.org/collectionsgardens/plant-search.asp, Newark
    Newark, Ohio
    In addition, the remains of a road leading south from the Octagon have been documented and explored. It was first surveyed in the 19th century, when its walls were more apparent. Called the Great Hopewell Road, it may extend to the Hopewell complex at Chillicothe, Ohio...

    , Ohio
    Ohio
    Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...

    . 2 trees, no acc. details available.
  • Missouri Botanical Garden
    Missouri Botanical Garden
    The Missouri Botanical Garden is a botanical garden located in St. Louis, Missouri. It is also known informally as Shaw's Garden for founder Henry Shaw, a botanist and philanthropist.-History:...

    , St. Louis
    St. Louis, Missouri
    St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...

    , Missouri
    Missouri
    Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...

    . Acc. nos. 1986-1899, 1986-0901.
  • Scott Arboretum
    Scott Arboretum
    Scott Arboretum is an arboretum located across the campus of Swarthmore College, 500 College Avenue, Swarthmore, Pennsylvania. It is open to the public daily without charge....

    . Acc. no. 97-689
  • Smith College
    Smith College
    Smith College is a private, independent women's liberal arts college located in Northampton, Massachusetts. It is the largest member of the Seven Sisters...

    . Acc. nos. 2102, 4903
  • U S National Arboretum
    United States National Arboretum
    The United States National Arboretum is an arboretum in Washington, D.C., operated by the United States Department of Agriculture's Agricultural Research Service as a division of the Henry A. Wallace Beltsville Agricultural Research Center...

     http://www.usna.usda.gov/index.htm, Washington, D.C.
    Washington, D.C.
    Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

    , USA. Acc. no. 63502

North America


External links

  • http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/trees-new/cultivars/ulmus_parvifolia.htm Ulmus parvifolia cultivar list.
  • http://fletcher.ces.state.nc.us/programs/nursery/metria/metria11/warren/elm.htm Return of the Elm - the status of elms in the nursery industry in 2000. Warren, K., J. Frank Schmidt and Co.
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