Carya cathayensis is one of 65,438+07 species of Carya cathayensis in the world, which is native to North America, the United States and northern Mexico. It is a pure wild fruit and a natural green food without pollution. Now it has become one of the dried fruit tree species in the world, and it has been cultivated in Hebei, Henan, Jiangsu, Zhejiang, Fujian, Jiangxi, Hunan, Sichuan and other provinces. It is a famous dried fruit tree species and an excellent street tree and shade tree in suitable areas. It can also be planted as a scenic forest, and is also suitable for greening along rivers, lakes and plains. Nuts are edible.

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Carya cathayensis is a world-famous high-grade dried fruit, oil-bearing tree species and excellent dual-purpose tree species. Nut shell is thin and easy to peel, kernel is thick, rich in fat and sweet, and it is the raw material of dried fruit and oil pressing. High yield and good quality, which is 1-2 times higher than that of China hickory, and the commodity value is 2-3 times higher. The output of walnut is equivalent to that of China, but the commodity value is 3-5 times higher.

Walnut, as a dried fruit, has been loved by people for a long time, but its shell is hard and not easy to peel off. Its main utilization way is as oil and food raw materials. Because the shell of pecan is easy to peel, like peeling peanuts, its consumption will greatly exceed that of ordinary walnuts. Its trunk is straight, solid, meticulous, elastic and not easy to crack. It is an excellent material for making furniture.