Gray -necked pseudo- hull - a subspecies of Menzies pseudo-hull (Douglas fir), an evergreen coniferous tree originating from the western regions of North America .
| Gray pseudo |
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| Scientific classification |
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| The kingdom : | Green plants |
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| International Scientific Name |
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Pseudotsuga menziesii var. glauca ( Beissn. ) Franco , 1950 |
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Forms forests in the Rocky Mountains , mountainous regions of western North America and Central British Columbia in the province of Alberta in the north. Distributed mainly at altitudes of 600-3000 m above sea level.
Powerful, beautiful evergreen tree, reaching a height of 55 m with a trunk thickness of up to 2 m.
Externally, it resembles a large fir or spruce. The crown is conical.
The branches on the young trees are raised, on the old - horizontal.
Bark brownish-gray, with resin swellings.
Gray-green needles , flat, dull, located at an acute angle to the escape. The buds are 4-7 cm long, ripen in one growing season, hanging, after the seeds reach, the buds do not fall apart, but remain on the tree throughout the winter. Seeds 5-6 mm long and 3-4 mm wide, with a wing of 12-15 mm.
Develops a deep root system. Undemanding to soil fertility, but does not tolerate heavy, compacted soils. It is photophilous, satisfactorily tolerates urban conditions, grows relatively quickly and easily tolerates transplantation even in adulthood. An adult tree is drought resistant.
The quality of wood approaches that of larch.
