Where is the origin of peanuts?

Peanut, also known as groundnut, belongs to the genus Panicum, a genus of peanut, which is native to South America, near Argentina.

The fruit of peanut is pod, which is usually divided into three types: large, medium and small, with cocoon shape, beaded shape and curved stick shape. Peanut seeds contain 45-55% oil, a few varieties can reach about 60%, and protein content is 25-30%. It is used as lubricant in textile industry and quenching agent in machinery manufacturing. Peanut leaf, peanut coat, shell, peanut oil, etc. Can be used as medicine.