Description
Sawtooth oak (scientific name: Quercus acutissima Carruth.) is a deciduous tree of the Fagaceae and Quercus genus. It can reach 30 meters in height, 1 meter in diameter at breast height, dark gray-brown bark, cone-shaped winter buds, and pilose. The morphology of the leaves is diverse, usually oblong-lanceolate, with thorn-like serrations on the edge of the leaf, the two sides of the leaf are the same color, and the petiole is pubescent when it is young, and then gradually falls off. The male inflorescences are constant, clustered in the leaf axils of the lower branches of the year, with flowers, the style is cupular, bracteoles subulate or flattened, curved outwards, and gray-white tomentose. The nut is oval or elliptical, with a round top and a protruding umbilicus. Flowering from March to April, and fruiting from September to October the following year.
Distributed in China's Liaoning, Hebei, Shanxi, Shandong, Jiangsu, Anhui, Zhejiang, Jiangxi, Fujian, Henan, Hubei, Hunan, Guangdong, Hainan, Guangxi, Sichuan, Guizhou, Yunnan and other provinces. North Korea, Japan, Vietnam, and India are also distributed. Born on the sunny slopes of mountains 60-2 200 meters above sea level, into small patches of pure forest or mixed forest.
This kind of wood is ring-pored wood, sapwood light reddish brown, heartwood reddish brown, air-dry density 0.8 g/cm3, hard material, straight or oblique grain, resistant to decay, easy to warp and crack when air-dried; for sleepers, pit wood, Materials for bridges and floors; leaves contain 13.58% protein and can feed tussah; seeds contain 56.4% starch, which can be used as feed and industrial starch; tannin extract can be extracted from shells and bark.
