Douglas fir | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Gymnospermae |
Division: | Pinophyta |
Class: | Pinopsida |
Order: | Pinales |
Family: | Pinaceae |
Genus: | Pseudotsuga |
Species: | P. menziesii
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Binomial name | |
Pseudotsuga menziesii | |
Green: Coast Douglas-fir (Pseudotsuga menziesii var. menziesii)
Blue: Rocky Mountain Douglas-fir (Pseudotsuga menziesii var. glauca)
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Synonyms | |
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The Douglas fir (Pseudotsuga menziesii)[3] is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir,[4] Douglas spruce,[5] Oregon pine,[6] and Columbian pine.[7] There are three varieties: coast Douglas-fir (P. menziesii var. menziesii), Rocky Mountain Douglas-fir (P. menziesii var. glauca) and Mexican Douglas-fir (P. menziesii var. lindleyana).[8]
Despite its common names, it is not a true fir (genus Abies), spruce (genus Picea), or pine (genus Pinus). It is also not a hemlock; the genus name Pseudotsuga means "false hemlock".