Common name: White yam, yam
Scientific name: Dioscorea alata
Family: Dioscoreaceae

Yam. The yam is an herbaceous and edible plant that makes up the genus Dioscorea, of the family of the Discoreáceas (Dioscoreaceae), original and common tropical and subtropical regions around the world is a climbing herb of dioecious flowers. Some 180 species of dioscores are known, typical of warm countries. All are perennial herbs, with hairless stems, fickle that can reach large dimensions; with roots or fleshy rhizomes, sometimes very thick, which constitute underground tubers of high nutritional value.

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