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Description. Douglas-firs are medium-size to extremely large evergreen trees, 20–100 metres (70–330 feet) tall (although only Pseudotsuga menziesii var. menziesii, common name coast Douglas-firs, reach heights near 100 m) [10] and commonly reach 2.4 m (8 ft) in diameter, [11] although trees with diameters of almost 5 metres (16 feet) exist ...
Pseudotsuga macrocarpa typically grows from 15–30 m (49–98 ft) in height and 56–155 cm (1 ft 10 in – 5 ft 1 in) in trunk diameter. [6] The growth form is straight, with a conical crown from 12–30 m (39–98 ft) broad, and a strong and spreading root system. The bark is deeply ridged, composed of thin, woodlike plates separating heavy ...
Pseudotsuga menziesii var. glauca, or Rocky Mountain Douglas-fir, is an evergreen conifer native to the interior mountainous regions of western North America, from central British Columbia and southwest Alberta in Canada southward through the United States to the far north of Mexico. [2] The range is continuous in the northern Rocky Mountains ...
Author abbrev. (botany) Douglas. Coast Douglas-fir cone, from a tree grown from seed collected by David Douglas in 1826. David Douglas (25 June 1799 – 12 July 1834) was a Scottish botanist, best known as the namesake of the Douglas fir. He worked as a gardener, and explored the Scottish Highlands, North America, and Hawaii, where he died. [1]
4.2 m (14 ft) Volume of trunk. 349 m 3 (12,300 cu ft) [1] Date seeded. ~1000 CE. The Red Creek Fir is a large Douglas fir (Pseudotsuga menziesii) tree located in the San Juan Valley of Vancouver Island in British Columbia, Canada. By volume, it is the largest known Douglas fir tree on Earth. [2][3]
Pseudotsuga / ˌsjuːdoʊˈtsuːɡə / [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. Pseudotsuga menziesii (Douglas fir proper) is widespread in western North America and is an ...
The Doerner Fir, also known as the Brummitt Fir, is a record-setting Coast Douglas-fir (Pseudotsuga menziesii var. menziesii) in Oregon, is one of the tallest known trees in the world which is not a redwood (Sequoioideae), at 327 feet (99.7 m). [2]
Coast Douglas-fir is the second-tallest conifer in the world (after coast redwood), and the third-tallest of all trees, (after Eucalyptus regnans).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. ...