Poplar

The common saying of deciduous trees of the Genus Yangliu. There are more than 100 species, mainly distributed in Europe, Asia, North America temper zone, cold zone, as well as the Mediterranean coastal countries and the Middle East. There are more than 50 kinds in China.

poplar tree branches with top buds, bud scales more than 2 pieces. Single-leaf mutual, egg-shaped or near-circular. Female and male strains, no petals, ring-shaped flower trays and slivers. The top of the sliver splits, the male majority. Capsule. The seeds are small and have crown hair.

in China, the distribution range spans from 25 to 53 degrees north latitude, 76 degrees east longitude to 134 degrees east longitude, all over the Northeast, Northwest, North China and Southwest. In Sichuan, the distribution can reach an altitude of up to 3500 meters. In recent years, due to the introduction of southern-type American black poplar, China's poplar cultivation area has moved south to Hubei, Hunan and other provinces of the plain area. Yang belongs to a total of 5 groups, namely Hu Yang Group, Poplar Group, Black Yang Group, Qing Yang Group and Daye Yang Group.

wood is generally white, but the European black poplar and European and American poplar wood is pale yellow, Hu Yang is light red. The color of the heart material is darker than the edge material, and the heart material of the silver poplar is light brown. Poplar texture is detailed, uniform, the material is soft, the density of air dry material changes between 0.30 and 0.55. Easy
dry
, good processing performance, most of the plains are used for civil construction materials, furniture, matchsticks and sawing materials. In the timber industry, poplar wood is a very good man-made plate and fiber materials. The leaves of poplar trees are good feed and have high nutritional content. Poplar tree grows rapidly, adapts to strong, easy to reproduce, is one of the main tree species with wood forest, protective forest, greening around.