American Trees

 


 

 

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American

Map of America

Acacia(False)

The False Acacia or Locust Tree, one of the most valuable timber trees of the American forest, where it grows to a very large size, was one of the first trees introduced into England from America, and is cultivated as an ornamental tree in the milder parts of Britain, forming a large tree, with beautiful pea-like blossoms.

 

Ash (Fraxinus americana)

White ash is the largest and grandest of the 16 North American ash species. This handsome deciduous forest tree once grew to heights of 100-120 ft (30.5-36.6 m), with tall straight trunks 4-6 ft (1.2-1.8 m) in diameter. White ash has a strong framework with stout main branches growing upright and smaller branches spreading outward. The bark of mature trees is dark brown and deeply fissured by interlacing ridges forming a characteristic diamond pattern. Ashes have opposite branching and their pinnately compound leaves are arranged along the branchlets in opposing pairs, with an odd leaflet at the end.

Cherry (Prunus serotina)

Cherry is the largest of all North American Cherry trees, reaching heights of 100 feet (30m). The average height for these trees is about 80 feet (24m). The tree can be harvested after 35 to 40 years of growth, and they can reach full growth after 100 years. Although cherry is well know for its wood, it is also know for it's spring blossoms. Beautiful white blossoms adorn its branches when it reaches full bloom in middle April to middle March.

Cocobolo (Dalbergia Retusa)

Commonly referred to as Cocobolo, the Dalbergia Retusa is a mid-sized, sub-canopy tree belonging to the Papilionaceae family, reaching 45 to 60 feet in height in the natural rainforest, with trunk diameters up to 3 feet, usually of irregular form. The heartwood is surrounded by white sap wood. The sapwood which is as dense as the heartwood will vary in amount depending on the age of the tree and the conditions of its habitat. The poorly formed stems yield the most uniquely figured and highly-prized wood. Cocobolo is leguminous, or nitrogen-fixing.

Maple (Acer saccharum)

Young trees have smooth grey bark. Older trees developing furrows and ultimately long, irregular, thick vertical plates that appear to peal from the trunk in a vertical direction. Sometimes reaches a height of 40 m (130 ft), more usually 25-27 m (80-90 ft). Clear bole up to 21 m (70 ft), but often less. Diameter 0.6-1.0 m (2-3 ft). Canada and northern and eastern states of USA.

Oak (Quercus alba )

The White oak makes an outstanding shade tree, with an exceptionally wide spread and almost never dropping limbs. However, it does not tolerate urban conditions well, although it may thrive in residential neighbourhoods. Under favourable conditions reaches a height of 30 m (100 ft), but under less favourable conditions may be of poor form and only 15 m (50 ft) high. Well grown trees have a straight, clear bole, length 12-15 m (40-50 ft), diameter 0.9-1.2 m (3-4 ft). Eastern half of United States and south-eastern Canada, the distribution varying according to species.

Osage Orange (Maclura pomifera)

Osage orange trees are a common sight on the Great Plains today although they were not a widespread member of the prairie community originally. Found primarily in a limited area centered on the Red River valley in southern Oklahoma and northern Texas, they were planted as living fences - or hedges - along the boundaries of farms, and have spread widely from these restricted, linear beginnings. The trees are easily recognized by their glossy, lance-shaped leaves (see illustration), and their short, stout thorns.

Poplar (Tulip) (Liriodendron tulipifera)

Young trees dark green and smooth bark with whitish vertical streaks, older trunks are dark grey and furrowed. Also known as Yellow poplar, Tulip poplar, White poplar and Whitewood. A large tree, the tallest of the eastern hardwoods. It grows rapidly and is an important timber and shade tree.

Tulipwood (Dalbergia variabilis)

The tree is reported to be rather small, often with an irregular trunk. The sapwood is described as solid yellow in colour.  Tulipwood heartwood has irregular streaks of shades of yellow rose, pink and violet on a straw-coloured background. The colour is reported to fade with age.

Walnut (Juglans nigra)

The bark is thick and deeply furrowed on the trunk, but smooth and grey on the younger branches. As the Walnut generally forms its young shoots in April and May, and does not, like the oak, remain in an actively vegetative condition all through the summer, its symmetry of outline is seldom damaged by wind or cold. Reaches a maximum height of 45 m (150 ft), more usually about 30 m (100 ft). Bole straight and free of branches for 15-18 m (50-60 ft), diameter 1.2-1.8 m (4-6 ft). Eastern United States and Canada.