The Douglas fir is a large tree, native to 100 meters, with a diameter at breast height of 12 meters; The bark of young trees is smooth, while the bark of old trees is thick and deeply cracked into scales; Annual branches light yellow (reddish brown when dry), slightly hairy. Leaves are strip-shaped, measuring 1.5-3 centimeters in length and 1-2 millimeters in width, with blunt or slightly pointed tips, no indentations, dark green on top and lighter on bottom, and two gray green stomatal bands. The cone is oval shaped and oval in shape, about 8 centimeters long and 3.5-4 centimeters in diameter, brown in color, and glossy; Seed scales are oblique square or nearly rhombic, with equal length and width or longer than width; The bract scales extend straight and are longer than the seed scales, prominently exposed. The middle fissure is narrow and gradually pointed, measuring 6-10 millimeters in length. The lobes on both sides are wide and short, with serrated edges.
conifer. Growing fast. The tree crown is conical in shape. The bark is thick, gray brown, longitudinally split, and has cork like texture. Fragrant leaves, blue-green in color. The tip of the bud is pointed. The tip of the bract scales of the cone is three lobed.
Main Value
Folding viewing
Tree seedlings are usually used as Christmas trees, with magnificent and beautiful tree shapes, making them excellent scenic and ornamental tree species.
medicinal
Huaqisongsu is a dihydroflavonoid compound with multiple biological activities, widely present in various plants, fruits, and foods. Some reports have confirmed that Douglas fir has inhibitory effects on a variety of cancer cells, such as liver cancer cells, breast cancer cells, and cervical cancer cells.
timber
Durable and sturdy, with a texture that harmonizes with the natural environment, and has resistance to rolling and indentation. Wood with added preservatives can be used for building frame structures, launch poles, etc. Architecture is mainly used for building frames, floors, fine woodworking products, molding, and beams. Raw wood can be used for fences, sheds, landscaping, retaining walls, and sports facilities. Decoration is applied to furniture, outdoor furniture (with added preservatives), plywood, fine woodworking products, turning products, carvings, etc. Other applications include decorative panels, particleboard, scaffolding, veneers, medium density boards, paper products, etc.