1, the four-sided walnut of Acer truncatum is a rare walnut variety, which is named because its appearance resembles the Acer truncatum used in ancient times. It has a special shape and unique taste, so it is loved by some collectors and food lovers and is very valuable.

2. Because of the limited supply of four-sided walnuts, it is difficult to buy them in the market, so the price is higher than that of ordinary walnuts.