Walnuts are distributed in Liaoning, Beijing, Hebei, Shandong, Henan and other places in China, with large and spherical shells, spiny exodermis, 2-3 nuts inside the shell.Renowned varieties include Langxi Walnuts, produced in Langxi of Fangshan, Beijing suburb, small fruits weighing about 5 grams, sweet, maturing in mid-October.Migrated Mingwalnuts, also known as"Red Skin","Red Hair",are produced in Moxi and Xinglong of Hebei. These walnuts are medium to large, weighing 7-9.5 grams, with red-brown, bright shells, sweet, maturing in mid-September.There is also the Cone Walnut, also called Pearl Walnut, distributed in the Yangtze River Basin and southern regions, with a spherical nut hidden inside the shell, tasting similar to walnuts.Walnuts not only contain
