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What is an oak tree?

Oak is a deciduous or evergreen tree or shrub belonging to Fagaceae and Quercus, with short leaves and stems. It is one of the important forest trees, producing wood, charcoal, dyes, cork and raising tussah. Common oak plants are Quercus variabilis, Quercus variabilis, Quercus Fangshan, Quercus Huangshan, Quercus Hebei, Quercus macrophylla, Quercus tomentosa, Quercus acutissima, Quercus longibracteata, Quercus Sichuan-Yunnan, Quercus longipes, Quercus tomentosa and Quercus glabra.

Quercus variabilis: Quercus variabilis can reach 30 meters, with dark brown bark and hairless branchlets; The bud is conical, the leaf blade is ovate-lanceolate or oblong, the top is tapering, and the petiole is hairless.

Quercus: Quercus, Quercus, Cyclobalanopsis, Golden Rooster, Polo, etc. Strong wind resistance, mainly produced in northern China, especially in mountainous areas of Henan, Hebei, Shandong, Shanxi and other provinces.

Fangshan Quercus: Fangshan Quercus is 2-8 meters high with angular branchlets, which are initially covered with gray-yellow star-shaped hairs and then gradually fall off. Its leaves are obovate or obovate, with a length of 8- 14 cm, a short tapering tip, a shallow heart-shaped or ear-shaped base, wavy teeth on the leaf margin, fine stellate hairs on the back of the leaves when young, and then gradually fall off, with 9- 12 lateral veins on both sides.