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Each of the trees in this stand is a genetically identical male that has reproduced vegetatively. Although no single tree in this stand is of that age, the stand itself as a single organism has existed that long. [107] Individual trees in the clonal patch have been listed as having ages of 2000 [108] [109] or even to 3000 years old. [110] [111]
Borers rarely bore tunnels in living trees, although when populations are high, adult beetles feed on tender twig bark, and may damage young living trees. One of the most common and widely distributed borer species in North America is the whitespotted sawyer ( Monochamus scutellatus ).
Pine trees are evergreen, coniferous resinous trees (or, rarely, shrubs) growing 3–80 metres (10–260 feet) tall, with the majority of species reaching 15–45 m (50–150 ft) tall. [7] The smallest are Siberian dwarf pine and Potosi pinyon , and the tallest is an 83.45 m (273.8 ft) tall sugar pine located in Yosemite National Park .
Pinus ponderosa subsp. readiana Robert Z. Callaham subsp. novo – central High Plains ponderosa pine; Southern South Dakota and adjacent northern Nebraska and far eastern Colorado, but neither the northern and southern High Plains nor the Black Hills, which are in P. p. scopulorum. Hot, dry, very windy summers; continental cold, wet winters.
They are evergreen or deciduous shrubs or trees growing to 1–18 m (3 + 1 ⁄ 2 –59 ft) in height and forming dense thickets. The largest, Tamarix aphylla, is an evergreen tree that can grow to 18 m (59 ft) tall. They usually grow on saline soils, [4] tolerating up to 15,000 ppm soluble salt, and can also tolerate alkaline conditions. [5]
Angiospermae; Scientific name Common name Family FIA Code (US) Conservation status Hardwoods; Aceraceae: maple family; Acer: maples; Acer amplum: broad maple Aceraceae (maple family)
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The genus has a large genetic diversity, and can grow from 15–50 m (49–164 ft) tall, with trunks up to 2.5 m (8 ft) in diameter. Male catkins of Populus × canadensis The bark on young trees is smooth and white to greenish or dark gray, and often has conspicuous lenticels ; on old trees, it remains smooth in some species, but becomes rough ...
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