Dioscorea(redirected from Dioscorea species)
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Related to Dioscorea species: Dioscorea alata
A genus of yams, a potato-like root vegetable used in many cultures as a source of dietary carbohydrates. There are approx. 150 species. Dioscorea villosa, the wild yam, is used as a source of topically applied cosmetics and plant-derived steroids.