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Ulmus americana, generally known as ... can grow to heights of 21 to 35 meters ... The leaves of the American elm serve as food for the larvae of a number of species ...
The tree can grow to greater than 30 m in height, and is distinguished by its dense, symmetrical, upright form and dark green foliage, ultimately forming a broad umbrella crown. Crotch angles can be acute, with considerable bark inclusion which can later lead to branch breakages. The leaves are less than 16 cm long by 8 cm broad.
Officially it is a specimen of Ulmus americana, but is unusual because it grows sideways, making it a "tabletop" elm tree. The tree was planted in 1927, and currently its several branches are supported by specialized braces to allow movement and growth. Every fall seven dump truck loads are required to remove all the leaves.
The elm tree can grow to great height, the American elm in excess of 30 m (100 ft), [6] often with a forked trunk creating a vase profile. 'Sapporo Autumn Gold', Antella, Florence Wych elm ( Ulmus glabra ) leaves and seeds
The American elm cultivar Ulmus americana 'New Harmony' was raised by the Maryland Agricultural Research Service and released by the United States National Arboretum in 1995, along with 'Valley Forge'. 'New Harmony' proved the most successful U. americana cultivar in the US National Elm Trial, averaging a survival rate of 85.5% overall. [1]
Vase-shaped, non-pendulous, growing to a maximum height of 22 metres (72 ft), with a slightly greater spread. [ 1 ] [ 2 ] [ 3 ] The leaves, to 6 in long, are dark green all summer and turn yellow in autumn.
Ulmus rubra is a medium-sized deciduous tree with a spreading head of branches, [4] commonly growing to 12–19 metres (39–62 feet), very occasionally over 30 m (98 ft) in height. Its heartwood is reddish-brown.
The American elm cultivar Ulmus americana 'Aurea' was cloned from a tree discovered by F. L. Temple in Vermont at the end of the 19th century. [1] [2] Description