Herb walnut is a native walnut. Herb walnut is made from walnut. Walnut, also known as walnut and peach, is a kind of walnut plant. Together with almonds, cashews and hazelnuts, it is known as the world-famous "four dried fruits". Walnut kernel is rich in nutrition, with protein 15-20g per 100g, more fat and carbohydrate 10g, and contains many trace elements and minerals such as calcium, phosphorus and iron, as well as many vitamins such as carotene and riboflavin.
Walnut trees are 3-5 meters high, with gray bark, shallow longitudinal cracks, flaky branches and fine hairs at the tips of young branches (2-year-old branches are often hairless). There are also 20-25 meters high, with shorter trunks and wider crowns than other species. Bark is grayish green when young, grayish white when old, and shallow longitudinally. Branchlets glabrous, shiny, peltate glands, grayish green, and later brownish.