This is the real species of walnut, the seeds of which we can buy in the store and call walnuts. In the wild, the walnut tree grows in southern Europe and central and eastern Asia. Rarely cultivated in Latvia, mainly as an exotic fruit tree. It differs from other walnut trees by its light gray bark, odd tufted leaves, the leaves are usually 7. With good winter hardiness in Kurzeme, periodically also produces edible fruit.