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Individual specimens can live up to a century. [4] The crown is usually conical with a straight trunk. It reaches heights of 8–24 meters (26–79 feet), [5] but can be a shrub on especially poor sites. The bark is thin and smooth, flaky and gray-brown when young, becoming dark [4] gray-red-brown and shallowly furrowed into flat scaly ridges ...
Pseudotsuga macrocarpa, commonly called the bigcone spruce or bigcone Douglas-fir, is an evergreen conifer native to the mountains of southern California.It is notable for having the largest (by far) cones in the genus Pseudotsuga, hence the name.
In some parts of Russia and Georgia, immature pine cones are harvested in late spring and boiled to make sweet preserves. [19] Coat of arms of the Parthon de Von family featuring three pine cones. The pineal gland is named after the pine cone. [20] Pine cones were also used as symbols of fertility in ancient Assyrian art.
Pinus albicaulis is the only type of tree on the summit of Pywiack Dome in Yosemite National Park. Pinus albicaulis, known by the common names whitebark pine, white bark pine, white pine, pitch pine, scrub pine, and creeping pine, [4] is a conifer tree native to the mountains of the western United States and Canada, specifically subalpine areas of the Sierra Nevada, Cascade Range, Pacific ...
Mature Pinus pinea (stone pine); note umbrella-shaped canopy: Pollen cones of Pinus pinea (stone pine): A red pine (Pinus resinosa) with exposed rootsYoung spring growth ("candles") on a loblolly pine
The Pinaceae (/ p ɪ ˈ n eɪ s iː ˌ iː,-s i ˌ aɪ /), or pine family, are conifer trees or shrubs, including many of the well-known conifers of commercial importance such as cedars, firs, hemlocks, piñons, larches, pines and spruces.
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Many scientists are curious as to why this tree is able to live so long. In one study, they discovered that Pinus longaeva has higher levels of telomerase activity, which further slows or prevents the attrition rate of telomeres. [2] This potentially contributes to the extended life of the bristlecone pine.