Its bulbs are edible, nutritious and valuable, and can be used for cooking, frying and starch making. Pleurotus ostreatus is a natural vegetable and can also be planted artificially. According to modern nutrition, arrowhead is rich in vitamins, minerals, potassium, calcium, dietary fiber and protein.
Puyi, the last emperor of the Qing Dynasty, said in his memoirs: "One of his favorite imperial meals is burning meat in Sagittarius. Shen Congwen, a master of literature, said when he entertained his friends with this dish during the Spring Festival: "Its lattice is higher than potatoes. "
There are many floods in Xiaoganhu Township, Hubei Province, China, and all kinds of crops are reduced or never harvested, but only arrowheads can be harvested. Because the arrow is easy to store, it can be harvested in spring and summer, and it is rich in starch, so it is an ideal food for famine relief.
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