What kind of walnut is iron walnut?

Iron walnut, also known as Juglans regia, is a deciduous tree plant of the walnut family, distributed in southwest China and other places. The shell of the fruit is hard. At first, iron walnut was mainly used to extract oil and make rootstocks for common edible walnuts. Now, many new uses have been gradually developed, which can be used to make a variety of beautiful and durable handicrafts. In some places, a large and strange iron walnut is selected as a fitness ball, and its uneven shell can massage the acupoints of the hand. It has a certain health care effect.

The iron walnut tree is 10 to 20 meters high and can live for more than a hundred years. Trunk bark grayish brown to dark brown, with longitudinal fissures. The new branches are light green, smooth and with white lenticels. Leaves odd-pinnate, alternate. Female inflorescences terminal, florets 2-4 fascicled. The fruit is round, yellowish green, with a fluffy surface and a seed inside. The exocarp bone is called the fruit shell, the surface is engraved dot shape, the fruit shell is divided into thick and thin.

Iron walnut has strong affinity, strong growth potential, poor cold resistance, adapts to the subtropical climate, mainly from Yunnan, Guizhou and Sichuan, and the extreme minimum temperature is-2 ℃. It can not survive the winter in the north. The yield in Taihang mountain area is not as good as that of Liriodendron walnut, but the iron walnut in Taihang mountain area is obviously different from the south because of its altitude, climate, precipitation and other factors, which also leads to the difference in size and shape of iron walnut in the north and south.

Iron walnut is mostly used by some literati to play, which is called Wen play iron walnut, which is liked by players, probably because of its huge size, strange shape and relatively low price. While using it as something to play with, it has also become an art treasure favored by players through the carving of folk artists. Artists carve out all kinds of animals, figures and patterns on small walnuts, and place beautiful meanings on them. to express people's expectations and yearning for the future.

The shape of iron walnut can be said to be rich, there are all kinds of hats, heads, and there are also many variant ones, such as Buddha belly, Oviductus Ranae, olecranon, duck beak, jujube stone, double petal, triplet, triplet, etc., and some are extremely strange in shape. There is no agreed popular name, which is of great value in playing games. The lines are honeycomb pattern, snake skin pattern, dense pattern and so on, and the sharp points are cross tip, muggy tip, mouth tip, needle tip and so on.