Birch likes sunshine and has strong vitality. After the forest is destroyed by fire, it is often the longest, often forming a large birch forest, which is one of the main tree species that form natural forests.
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. In the north of China, on the grassland, in the forest, on the roadside of Shan Ye, it is easy to find dense birch forests.
Birch is the national tree of Russia and a symbol of the national spirit of this country.
Extended data:
Birch is a tree, 27 meters high; 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.
The leaves are thick and papery, triangular-ovate, triangular-rhombic, triangular-rhombic-ovate and wide-ovate, with a length of 3-9 cm and a width of 2- 7.5 cm. The tips are sharp and the tail tips gradually taper towards the tail, and the base is truncated, broadly wedge-shaped or wedge-shaped, sometimes slightly heart-shaped or nearly round, with double serrations on the edges, and sometimes serrated double serrations or single teeth. When young, they are sparse and mature. Petiole thin, long 1-2.5 cm, glabrous.
Infructescence solitary, cylindrical or oblong, usually pendulous, 2-5 cm long and 6- 14 mm in diameter; Peduncle thin, long 1-2.5 cm, densely pubescent, nearly hairless after maturity, with or without sparse or dense resin glands;
Bracts are 5-7 mm long, the back is densely pubescent until the hair gradually falls off when it matures, with short fibers at the edge, wedge-shaped or broadly wedge-shaped at the base, middle lobe triangular-ovate, tapering or obtuse at the top, lateral lobe elliptic or nearly round, upright and obliquely spreading to downward bend, slightly wider than middle lobe when upright or obliquely spreading, and longer than middle lobe when transversely spreading to downward bend.
Nutlets are oblong, oblong or ovoid, with a length of 1.5 -3 mm and a width of about1-kloc-0/.5 mm, with sparse pubescence on the back, and the membrane wings are 1 /3 longer than the fruit, shorter than the fruit and as wide as or slightly wider than the fruit.
Reference source Baidu Encyclopedia-Birch Tree