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Ulmus thomasii, the rock elm [3] or cork elm (or orme liège in Québec), is a deciduous tree native primarily to the Midwestern United States. The tree ranges from southern Ontario and Quebec , south to Tennessee , west to northeastern Kansas , and north to Minnesota .
The American elm is a deciduous tree which, under ideal conditions, can grow to heights of 21 to 35 meters (69 to 115 feet). [3] The trunk may have a diameter at breast height (dbh) of more than 1.2 m (4 ft), supporting a high, spreading umbrella-like canopy.
Ulmus 'Urban' is an American hybrid elm cultivar selected from the progeny of a controlled crossing of the Siberian Elm Ulmus pumila (female parent) with the Dutch clone '148' (U. × hollandica 'Vegeta' × U. minor '28') [1] [2] in 1958 by Toru Arisumi of the USDA at Columbus, Ohio. Clone '148' had been sent to the US from the Netherlands in ...
A burning body found Tuesday afternoon hanging from a tree in Griffith Park in Los Angeles is an apparent suicide, according to police. A witness spotted the blaze and the remains near the merry ...
Ulmus pumila, the Siberian elm, is a tree native to Asia.It is also known as the Asiatic elm and dwarf elm, but sometimes miscalled the 'Chinese elm' (Ulmus parvifolia). U. pumila has been widely cultivated throughout Asia, North America, Argentina, and southern Europe, becoming naturalized in many places, notably across much of the United States.
The tree is named for Christine Buisman, the first full-time elm researcher (1927-1936) in the Netherlands, who provided the final proof that Graphium ulmi Schwarz (now: Ophiostoma ulmi (Buisman) Melin & Nannf.) was the causal agent of Dutch elm disease. Buisman died in 1936, aged 36. [citation needed]
The Field Elm cultivar Ulmus minor 'Argenteo-Variegata' or simply 'Variegata', known in Australasia and North America as Silver Elm [1] [2] or Tartan Elm, [3] is said to have been cultivated in France from 1772. Green noted that variegated forms of Field Elm "arise frequently, and several clones may have been known under this name". [4]
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 ", [ 4 ] whereas Warren and Jacobson thought the shape "good", and the foliage a decent autumn colour (the leaves turn orange-yellow).