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Pinus ponderosa, commonly known as the ponderosa pine, [3] bull pine, blackjack pine, [4] western yellow-pine, [5] or filipinus pine, [6] is a very large pine tree species of variable habitat native to mountainous regions of western North America. It is the most widely distributed pine species in North America.
Ponderosa pine forest is a plant association and plant community dominated by ponderosa pine and found in western North America. It is found from the British Columbia to Durango, Mexico . [ 1 ] In the south and east, ponderosa pine forest is the climax forest , while in the more northern part of its range, it can transition to Douglas-fir or ...
Pygmy nuthatches (Sitta pygmaea) are also adapted to ponderosa pine woodlands. [9] Another species that can be supported by ponderosa pine is the Colorado chipmunk (Tamias quadrivitattus). T. quadrivitattus helps spread the seeds of the ponderosa pine by spreading out and burying its caches. This results in the seeds being further from the ...
Jeffrey pine wood and ponderosa pine wood are sold together as yellow pine. [6] Both kinds of wood are hard (with a Janka hardness of 550 lbf (2,400 N)), but the western yellow pine wood is less dense than southern yellow pine wood (28 lb/cu ft (0.45 g/cm 3 ) versus 35 lb/cu ft (0.56 g/cm 3 ) for shortleaf pine).
Subgenus Pinus includes the yellow and hard pines. Pines in this subgenus have one to five needles per fascicle and two fibrovascular bundles per needle, and the fascicle sheaths are persistent, except in P. leiophylla and P. lumholtzii.
Interesting Facts for Adults. 11. If you cut down a cactus in Arizona, it can result in a class 4 felony and up to 25 years in prison. 12. Wearing headphones for just an hour can increase the ...
Populations of Willamette Valley ponderosa pines are often referred to as the separate variety willamettensis. Though not formally described, there have been efforts to publish this name and formal description. [2] [3] It is also referred to as a unique population of the Pacific ponderosa pine, P. p. subsp. benthamiana. [4] [5]
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