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13 Ιαν 2024 · Learn how to identify a Douglas fir tree by its needles, cones, bark, and buds. Find out the scientific classification, habitats, ecology, and human uses of this common coniferous tree in North America.
15 Φεβ 2022 · Use needles, bark, and habitat to determine your tree. Learn how to identify a Douglas fir based on tree characteristics and location.
The Douglas fir (Pseudotsuga menziesii) [4] is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, [5] Douglas spruce, [6] Oregon pine, [7] and Columbian pine. [8]
Douglas fir is technically not a true fir (Abies genus), but is in its own genus: Pseudotsuga. The tree itself grows to be very large, and yields a large amount of usable lumber and veneer for plywood. It is an incredibly valuable commercial timber, widely used in construction and building purposes.
Douglas-fir is a large tree, reaching 85 metres on British Columbia’s (B.C.) coast and 42 metres in the Interior. The oldest trees can be more than 1,500 years old. Due to its strength, Douglas-fir is used for building and construction, and it is one of the finest timbers for heavy structural purposes, including glue-laminated timber (glulam ...
Douglas-fir is not a true fir at all, nor a pine or spruce. It is a distinct species named after its discoverer Archibald Menzies and a botanist, David Douglas. A major characteristic that distinguishes it from true firs is its cone which falls from the tree intact.
Learn how to identify Douglas fir, a non-native evergreen conifer with needle-like leaves, resinous bark and three-pointed cones. Find out where it grows, what wildlife it supports and how it is used.
