according to wenwan. com, there are two varieties of walnut with large and thick tendons in the market, namely, Wolong large and thick tendons and Jixian large and thick tendons. Juglans regia is a kind of Juglans, which belongs to one of the common walnut varieties in the market. The hard shell of the fruit is uniform in size, smooth and beautiful in appearance, green and moist all over, transparent and full in internal flesh, white in nucleolus, rich in flavor and sweet to some extent.