Birch (scientific name: Betula L.) is a genus of the Betulaceae family, closely related to beech and oak of the Fagaceae family. It mainly grows in the temperate climate of the Northern Hemisphere. Birch, also known as birch bark tree, is usually a shrub or small and medium-sized tree. Common species include white birch, red birch, black birch, etc. The edges of the single leaves of birch are serrated or shallowly lobed. Its fruit is a small winged fruit, although the wings on the fruit of some varieties are not obvious.
There birch tree wood are about 100 species in the world, mainly distributed in the northern temperate zone, and a few species are distributed in the cold zone. China produces 29 species. Among them, white birch is the most widely distributed, from Northeast China, North China to Northwest China and Southwest China. In addition, there are birch tree wood red birch, big birch, black birch, etc. Birch is usually a shrub or small and medium-sized tree. The wood is relatively hard, has poor corrosion resistance, and is easily deformed by moisture. It can be used for plywood, joinery, etc. The bark can be pyrolyzed to extract tar. The sap of the tree can be used to make beverages and handicrafts; it is a gardening tree species.

Popularni tagovi: