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The Douglas fir (Pseudotsuga menziesii) is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, Douglas spruce, Oregon pine, and Columbian pine.
Douglas fir, genus of about six species of evergreen trees of the conifer family Pinaceae, native to western North America and eastern Asia. They are important timber trees and produce strong wood. Several are grown as ornamentals and are common Christmas trees in North America.
Common names for species in the genus include Douglas fir, Douglas-fir, Douglas tree, Oregon pine and Bigcone spruce. Pseudotsuga menziesii (Douglas fir proper) is widespread in western North America and is an important source of timber.
Douglas firs are evergreen trees, meaning they keep their needle-like leaves year-round. There are two varieties of this species, coast Douglas fir and Rocky Mountain Douglas fir, which are differentiated by their habitats, growth rates, and physical characteristics.
El Douglas-fir es uno de los árboles de madera más valiosas del mundo. Su madera se utiliza para postes, vigas, puentes, traviesas de ferrocarril, madera estructural, madera contrachapada y para fabricar muebles. Se encuentra en muchos hogares cada diciembre pues es un árbol de Navidad muy popular.
Learn about the Douglas fir, a large evergreen tree that is not a true fir, pine, or spruce. Find out its distribution, habitat, size, lifespan, uses, and more.
24 de feb. de 2015 · lee dittmann. General Description: The Douglas-fir, Pseudotsuga menziesii, is not a true fir, nor is it a hemlock, even though " Pseudotsuga " means false hemlock. It is in a separate genus. This widespread conifer occurs often in pure stands as well as mixed forests. This species has narrow pyramidal tops and long straight trunks.
