Search results
Results from the WOW.Com Content Network
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 ]
Pseudotsuga menziesii var. lindleyana, commonly known as the Mexican Douglas-fir, is a conifer in the genus Pseudotsuga that is endemic to Mexico. [1] DNA sequence [2] and morphological [3] evidence suggests it is most closely related to Rocky Mountain Douglas-fir (P. menziesii var. glauca) and might best be treated as an additional variety within P. menziesii.
Pseudotsuga / ˌ sj uː d oʊ ˈ t s uː ɡ ə / [1] is a genus of evergreen coniferous trees in the family Pinaceae (subfamily Laricoideae). Common names for species in the genus include Douglas fir , Douglas-fir , Douglas tree , Oregon pine and Bigcone spruce .
Coast Douglas-fir is the fourth tallest conifer and fifth tallest of all trees in the world (after sitka spruce).Currently, coast Douglas-fir trees 60–75 metres (197–246 ft) or more in height and 1.5–2 metres (4.9–6.6 ft) in diameter are common in old growth stands, [4] and maximum heights of 100–120 metres (330–390 ft) and diameters up to 4.5–5.5 metres (15–18 ft) have been ...
It occurs from 600 m altitude in the north of the range, up to 3,000 m, rarely 3,200 m, in the south. Further west towards the Pacific coast, it is replaced by the related coast Douglas-fir (Pseudotsuga menziesii var. menziesii), and to the south, it is replaced by Mexican Douglas-fir in high mountains as far south as Oaxaca.
The Douglas fir (Pseudotsuga menziesii) is an evergreen conifer species in the pine family, Pinaceae, which is native to western North America.The trees grow to a height of around 20 to 100 metres (70 to 330 feet) and commonly reach 2.4 metres (8 feet) in diameter.
The Nooksack Giant was a superlative Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) that grew at Loop's Ranch (now Alpenglow Farm) in Maple Falls in Washington State. It was felled in early 1896 on the Alfred Bruce Loop Homestead with a crosscut saw by a team of men at the North Fork of the Nooksack river.
Pseudotsuga: Douglas-firs; Pseudotsuga japonica: Japanese Douglas-fir Pinaceae (pine family) Pseudotsuga macrocarpa: bigcone Douglas-fir Pinaceae (pine family) Pseudotsuga menziesii: Douglas-fir; common douglas-fir Pinaceae (pine family) Pseudotsuga menziesii subsp. glauca: blue Douglas-fir Pinaceae (pine family) Pseudotsuga sinensis: Chinese ...