Birch is a deciduous tree with a height of 27 meters. Bark is grayish white and peeled off layer by layer; Branches dark gray or dark brown, glabrous, with or without sparse or dense resin glands; Branchlets dark gray or brown, glabrous and without resin glands, sometimes sparsely hairy and sparsely resin glands.
Because birch is straight, its bark is gray, it likes sunshine and has strong vitality, so birch symbolizes purity, integrity and unyielding spirit. People often use birch as a metaphor for soldiers.
Extended data
Betula platyphylla likes light, is intolerant of shade and cold. Strong adaptability to soil, like acid soil, swamp, dry sunny slope and wet shady slope can grow.
China is mainly distributed in Daxing 'anling, Xiaoxing 'anling, Changbai Mountain, alpine region in North China and Altai Mountain in northwest China. It is distributed below 1000 meters above sea level, and in North China 1300-2700 meters.
Wood can be used in general buildings, utensils and tools, and birch oil can be extracted from bark. Birch trees are planted alone and clustered in gardens, parks, lawns, Chi Pan, lakes or roadsides, all of which are quite beautiful.
Betula platyphylla juice is taken from wild Betula platyphylla in the virgin forest of Daxinganling, China. It is a colorless or yellowish transparent liquid with a fragrant pine smell. It contains essential and easily absorbed carbohydrates, amino acids, organic acids and various inorganic salts, as well as essential oils, betulin, saponins and cytokinins.
Baidu Encyclopedia _ Baihua