Yam (vegetable)

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Yam
Yams at Brixton market
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Dioscoreales
Family: Dioscoreaceae
Genus: Dioscorea
Dioscorea sp.

Yam is the common name for some species in the genus Dioscorea. These are perennial vines grown to eat. They are grown in Africa, Asia, Latin America, the Caribbean and Oceania. 95 percent of world's yam crop is harvested in West Africa.

Some people in the United States and Canada call the sweet potato a yam. It is not a yam.

Yam is vegetable that can be cooked in may ways. It can be barbecued; roasted; fried; grilled; boiled; baked; smoked and when grated it is used in desserts.

Yam tubers can grow up to 1.5 meters (4.9 feet) in length and weigh up to 70 kilograms (154 lb) and 3 to 6 inches high. The skin is rough and hard to peel. It softens after heating. The inside ranges in color from white or yellow to purple or pink in mature yams.