Yam is a vegetable obtained from the root of plants of the genus Dioscorea. (Sweet potatoes are sometimes called yam, especially in the US, but are unrelated.)
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CGIAR: Research & Impact: Areas of Research: Yam
Account of the importance and extent of cultivation of the crop today.
Yam (vegetable) - Wikipedia
Describes the main cultivated species, preparation, use, and cultural aspects.
Yams: Dioscorea spp.
Notes on this crop, its uses, the species generally grown in Florida and their culture.
Last update:January 5, 2012 at 6:15:58 UTC