Douglas-fir

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Douglas-fir

[¦dəg·ləs ′fər]
(botany)
Pseudotsuga menziesii. A large coniferous tree in the order Pinales; cones are characterized by bracts extending beyond the scales. Also known as red fir.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
This year's Wassail packaging features a postcard view of the Hood River Valley dusted with snow, with a snow-covered douglas-fir tree looms in the foreground and Ml.
The distribution of Douglas-fir tree relative density from Canada, the United States, Europe, and New Zealand tends to be bell shaped with a mean between 0.40 and 0.50.
To confirm that Mule Deer eat clippings from the upper branches of Douglas-fir trees, we pruned large branches from 10 Douglas-fir trees in known Mule Deer winter range near Prince George, British Columbia in February 2009.
"Back in early July of 1965," says Thompson, "Mauro and I planned the first aerial application of the virus on a few hundred four-foot-tall Douglas-fir trees in pots.
Test specimens were prepared from loblolly pine (Pinus laeda) and Douglas-fir trees freshly harvested for this research.
Internal moisture relations of standing Douglas-fir trees injected with organic arsenicals.
More recent studies have found that the LLAD of the first (butt) log in Douglas-fir trees can be predicted from the diameter of the largest limb in the breast height region (DLLBH; Briggs et al.
(2005) determined that one stand of suppressed, small-diameter (< 10 diameter at breast height [DBH]) Douglas-fir trees did not produce lumber having poor flexural properties.
Approximately 160 Douglas-fir trees were selected, with diameters ranging from about 4 to 8 inches.