I am not sure what you mean by classification. If you mean this in a culinary sense, I imagine it would be classified as a starch. Botanically speaking, the yam is a member of the Dioscorea genus. It should not be confused with the sweet potato (Ipomoea genus) or the common potato (Solanum genus). All of these plants are in different plant families.
No, yam is a vegetable.
yam wild yam white yam water yam chinese yam strawberry jam
yam
yam is a vegetable
Yam is a vegetable. It is a other name for sweet potato.
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