Poplar (Latin scientific name: PopulusL. ) is a poplar plant of Salicaceae. The classification system of poplar is divided into five schools: Populus cathayensis, Populus alba, Populus nigra, Populus euphratica and Populus macrophylla. Its trunk is usually straight, its bark is smooth or longitudinal, often gray, with many bud scales, alternate leaves and toothed edges; Petiole long, lateral flat or cylindrical; _ Catkin droops, bract tips are pointed or striped, anthers are dark red, filaments are short, and ovary style is short; Capsule 2~4(5) is dehiscent, with small seeds and oval cotyledons. Poplar is a forest tree species scattered in temperate and cold temperate zones in the northern hemisphere.
Mainly distributed in Central China, North China, Northwest China, Northeast China and other vast areas. Van Gogh's first work, Poplar Near Newnan, bought by Dutch Museum, will be restored in the near future. This is Van Gogh's painting of poplars.