tiger nut is a kind of plant, also known as "groundnut" or "earthnut", its scientific name is "Cyperus esculentus", is a kind of rhizome plant, the tuber is the part of the plant that is edible, and is widely cultivated in tropical and subtropical regions. Its taste is slightly sweet, and can be eaten directly or processed into various foods. In some cultures, tiger nut is also used as a traditional medicine.