Is Jinsha yam an iron stick yam?

Jinsha yam is not necessarily an iron bar yam. Iron stick yam is one of many varieties of yam, and it is a fine product in Huai yam. Iron stick yam has traces similar to rust, so it is named iron stick yam.

Iron stick yam has good nutrition and high medicinal value, and has been used as medicine in ancient books. Wen county, Jiaozuo, Henan Province is the geographical indication producing area of iron stick yam. According to the different cultivated soils, iron stick yam can be divided into sandy soil and loessial soil.

Iron stick yam is one of many varieties of yam. The quality of iron stick yam will be different because of different planting places and different planting intervals. Among them, the yam produced in Huaiqing area since ancient times has high medicinal value. Dioscorea opposita mainly refers to the yam produced in Guhuaiqing (its geographical scope is equivalent to wen county, Qinyang, Wuzhi and Mengzhou in Jiaozuo, Henan).