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Yecheng walnut^[1] (Chinese: 叶城核桃)^[2] is a Chinese variety native to Yecheng County, Xinjiang Uygur Autonomous Region.^[3] Under the nourishment of the Yarkant River, the plant's heritage has flourished for thousands of years.^[4]

This plant has large fruit, thin shell and smooth peel. The appearance of the nut is light and smooth. The shell is 0.86-1.23 mm thin. The average single fruit is more than 10 grams. It is easy to take the whole kernels, its kernels are full and the color is yellow and white.^[5]

Walnut processing has recently become a minor industry in Yecheng County, and has created income for many struggling families. Since 2020, the price for a kilogram has increased by 0.5 yuan.^{[citation needed]}