Description
Red pine (Pinus koraiensis Sieb. et Zucc.) gymnosperm, evergreen tree, up to 40 meters high. Branchlets densely brown pilose. There are 5 needles in a bunch of leaves, thick and hard, with 3 resin channels, and leaf sheaths fall early. The cones are ovate-conical, with blunt scale apex and curved outwards. The seeds do not fall off when mature. The seeds are large, 1.2 to 1.6 cm long, without wings. Produced in the Changbai Mountains to Xiaoxing'an Mountains in northeast China, it often forms a mixed forest with Iris pine and spruce. Strong cold resistance, like slightly acid soil or neutral soil. The wood is light, soft, fine, straight-textured, and has strong corrosion resistance. It is an excellent material for construction, bridges, sleepers, and furniture; the bark can be extracted from tannin extract, and the trunk can be extracted from rosin; the seeds are for edible or medicinal purposes, and the oil can be squeezed for edible And industrial use. It is the main afforestation tree species in the production area, and it is also an ornamental tree
