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Pictures of what kind of pine tree is the pine tree that bears pine nuts

The tree that bears pine nuts is mainly red pine, Huashan pine, long white pine, white pine, sea pine and other pine trees.

1, red pine: red pine prefer slightly acidic soil or neutral soil. Timber light, soft, detailed, straight grain, corrosion resistance, for construction, bridges, sleepers, furniture, excellent timber; bark can be extracted tannin, trunk can be extracted turpentine.

2, Huashan Pine: Huashan Pine is native to China, because of the concentration of production in Shaanxi's Huashan and named, the young tree bark gray-green or light gray, smooth, old fissure into a square or rectangular thick block piece. The cones are green when young and pale yellowish brown when mature; the apex of the seed scales is not reflexed or slightly reflexed; the umbilicus is not obvious.

3, white pine: white pine is distributed in China Shanxi, western Henan, Shaanxi Qinling, southern Gansu and Tianshui Maiji Mountain, northern Sichuan Jiangyou Guanwu Mountain and western Hubei and other places, Suzhou, Hangzhou, Hengyang and other places are cultivated.

4, long white pine: evergreen tree, 25-32 m high, 25-100 cm diameter; cone-shaped ovoid cones, light brownish gray at maturity; seeds long ovoid or obovoid, slightly compressed, gray-brown to gray-black. The natural distribution area of Changbai Pine is very narrow, only found in the north slope of Changbai Mountain, Antu County, Jilin Province, China, the altitude of 700-1,600 meters of the Second White River and the Three White River along the narrow section, there are still small patches of pure forests and scattered forests.

5, the sea pine: the sea pine for the northeast forest area, one of the main forest species, widely distributed. In the natural forests of the southern slope of the Xiaoxing'anling Mountains, in addition to some areas of pure forests of maritime pine, most of the other conifers, broad-leaved tree species mixed into forests.