2018年5月2日 · Later in the summer, try taking apart a Douglas-fir seed cone (female cone). You can do it with just your thumbnail, or perhaps with the help of scissors. Pry a cone scale outward to reveal the two seeds developing underneath.

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]

2024年1月13日 · Cones: Douglas Fir cones are unique in shape, with a distinctive “mouse tail” protruding from the end. They are typically between 3 to 4 inches long and have a reddish-brown color. Bark: Douglas Fir bark is thick, corky, and has a grayish-brown color.

2012年1月26日 · Feathered friends like pine siskins, winter wrens, various sparrows, dark-eyed juncos, and purple finches also frequently snack on Douglas-fir seeds. These enormous trees also provide excellent shelter and cavity nest sites for many bird species. The Story of …

2018年1月20日 · Douglas-fir cones are emblems of the Pacific NW. Above each cone scale, distinctive "mousetails" stick out. Kindergartners learn to identify Douglas-fir from these "mousetails."

2024年12月3日 · Douglas-fir is the state tree of Oregon (Lipscomb 1993). Both subspecies are host to the dwarf mistletoe Arceuthobium douglasii ( Hawksworth and Wiens 1996 ). This is one of the most-studied conifers in the world.

Cones mature in mid to late September, seeds are dispersed soon after. Propagation: Seeds of Douglas Fir have about a 40% germination rate with a stratification period at 40ºF (4ºC) for 60 days. Seeds remain viable 1-2 years.

In anger, the Douglas Fir snapped the cones closed, trapping the mice. To this day, the little legs and tails of the raiding mice can be seen sticking out from between the scales. A similar indigenous Douglas Fir legend tells of the animals running to escape a forest fire.

Most conifers (cone bearing plants) have characteristic leaf shape and arrangement that allow them to be quickly identified to the genus level. • The Pinaceae family contains members such as pine, spruce, fir, and Douglas fir.

Douglas fir has unique buds that are pointed, reddish-brown and papery. Cones: The cones are the only ones you will find in the Northwest with three-pointed bracts sticking out of the scales. Unlike the true firs, the cones hang down rather than standing up on the branch.