Benefits of Yams
200 different varieties
Yam is available in around 200 different varieties with colors ranging from ivory, yellow to purple. The shape of this tuber is long and cylindrical with a rough exterior. The commercially important species of yam are White Yam, Yellow Yam, Chinese Yam, South East Asian and trifoliate yam. The plant which bears yam is a perennial vine which grows up to 2 meters in length. Yams are quite similar to sweet potatoes but they are no way related it.