
(from the article `Dioscoreaceae`) ...species of yams (vines of the genus Dioscorea) are grown for their edible tuberous roots, such as Chinese yam, or cinnamon vine (D. batatas); air ... Most yams contain an acrid principle that is dissipated in cooking. D. trifida and D. alata are the edible species most widely diffused in tropical .....
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http://www.britannica.com/eb/a-z/y/3

a vine, Dioscorea trifida, of South America, having large leaves and edible tubers. Also called
Found on
https://www.infoplease.com/dictionary/yampee
No exact match found.