The thorn old bud is also known as Aralia elata, thorn old crow, thorn dragon tooth, thorn bud, tree head bud, and it is Aralia elata. Thorn old buds contain protein , fat, carbohydrates, minerals, vitamins and so on. The sprouts can be used for cooking, soup, pickling and filling. They are rich in nutrition, delicious, and unique in flavor. They are known as the “king of mountain vegetables”.