UW Burke Herbarium species comparison

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Pseudotsuga menziesii

Douglas-fir
Habit Giant forest trees up to 90 m. tall, with drooping branches and erect leader.
Bark

Bark dark brown, rough, ultimately very thick;

branchlets pubescent for several years.
Leaves

Needles 2-3 cm. long, yellow-green to bluish-green, retained 7-10 years; two white stripes on the underside of the needles, none above.
Cones

Staminate cones sessile, 6-10 mm. long, yellow to reddish; ovulate cones ovoid, deciduous as a unit, 4-10 cm. long, pendent, yellowish- to purplish-green when young, becoming reddish-brown, soon deciduous; the bracts long-exerted, 4-7 mm. broad across the 3-lobed tip, the middle lobe much the longest.

Pseudotsuga menziesii
Habitat Moist to dry areas from sea level to mid-elevations in the mountains, occasionally to timberline.
Distribution
Widely distributed in forested areas on both sides of the Cascades crest in Washington; British Columbia to California, east to Alberta and Colorado.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Subordinate taxa
P. menziesii var. glauca, P. menziesii var. menziesii
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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