
Yam is native to Southeast Asia. The plant grows for 8 to 10 months, and goes dormant about 3 to 4 months.
The flesh of yam tubers varies colors between white to yellow, and filled up with 15% to 40% starch, with little or no protein. Yam tuber contains more natural sugar than even sweet potatoes and are rich in moisture content.
Yam is termed as kachil kizhangu in tamil language.