1. Growing environment: Birch grows in cold temperate regions of the northern hemisphere, such as North America, Europe and northern Asia; Poplar grows in temperate and subtropical regions, such as Europe, East Asia and northwest North America.
2. Tree height and trunk: birch is relatively short, with a tree height of 10-20m, while poplar is relatively high, with a tree height of 20-30m. In terms of trunk, birch trunk is smooth and has no obvious texture; The trunk of poplar has obvious longitudinal cracks and lenticels.
3. Leaves and flowers: The leaves of birch are heart-shaped, relatively small, generally simple, with serrated edges; Poplar leaves are strip-shaped compound leaves with wavy edges.
4. Use: Birch is fine in texture and suitable for paper making, furniture and music equipment. Poplar is soft and suitable for furniture, chopsticks and crutches. In addition, poplars can also be cultivated as ornamental plants.