Discorea Batatas grows naturally on the mountains and in the fields in Korea and it can also be cultivated. It has been used as a food ingredient for a long time, but it only been cultivated in Korea in recent years.
Discorea Batatas is a valuable crop that is used for medicinal herbs and folk remedies. It is also widely consumed as a healthy food nowadays.
It is told that Seodong of Baekje moved to Silla when he fell in love with Silla's Princess Seonhwa and distributed yam to children to have them sing Seodongyo.