1, sand onion is also called Mongolia leek, mainly distributed in the northwest of China, growing in the desert at an altitude of 800-2800 meters, arid slopes and sandy ground, its leaves and flowers are edible, appetizing, digestion, insecticidal and other efficacy, but also by a variety of livestock like, and has been realized artificially introduced into cultivation.
2, sand onion is rich in nutrients, it is rich in carotene, and also contains iron, zinc, phosphorus, that is, rich in protein, is a kind of favorite nutritional food, but sand onion may not be familiar to most people, because this onion basically are wild.