There are about 600 species of yams found around the world, most of them in the tropics. Some species of yam are cultivated for their edible tubers, for medicinal use, and for other uses. Yams remain an important food crop, especially in Africa, and some varieties can be stored for months without refrigeration.
In addition to addressing the physical needs of people—offering such nutrition as carbohydrates, protein, phosphorus, and potassium—yams also touch upon the human inner nature, bringing pleasure through their enjoyable taste and texture, and being central to various ceremonies related to their importance in traditional society of Africa
Today, West Africa produces over 90 percent of the world's yam crop, with Nigeria the largest grower. (CGAIR 2006)

Yams are widespread in the humid tropics throughout the world and in a wide variety of species. Of White Guinea yam: The white yam originates in West Africa, however, without a wild variety being known of it is the most important variety of yam cultivated for human nutrition not only in this region, but throughout the world.
Water yam: Most widespread, but not of the greatest economic status, is the water yam. The water yam, with the white yam, is the most important variety of yam cultivated in West Africa today.
Yellow yam: The yellow yam is native to West Africa where wild varieties also exist. The appearance of the yellow yam is very similar to that of the white yam, although, the yellow yam has a longer period of vegetation and shorter dormancy than the white yam. Most people also believe that yellow yam is the sweetest amongst all.

Yam Recipes
Yams can be fried, boiled, roasted, pounded or mashed to make a variety of recipes native to all parts of Nigeria. The following are recipes derived from Yam:
Amala: A fufu meal derived from yam powder. This meal is served with various Nigerian soups.
Pounded Yam: This is prepared by boiling diced yam and pounding it in a mortar with pestle. Recently, there are electronic yam pounders available. Pounded Yam can be eaten with any of the Nigerian Soups.
Yam & Vegetable: This is a special delicacy of yam cut into small cubes and boiled then mixed with lots of green vegetables. It is a very nutritious and healthy meal.
Yam porridge or Asaro:If you want a delicious yam meal without the added vegetables, then this is the yam recipe to go for.
Dun Dun (Fried Yam): This is basically yam cut in various chip shapes and deep fried. It can be eaten with omelette, fried eggs, pepper sauce or tomato stew.
Roasted Yam: This is barbecued yam eaten with pepper sauce. Always yummy.
Ji Mmanu (Palm Oil Yam): This is simply boiled white yam served with palm oil

You might want to buy white yam or yellow yam, they are the tastiest of them all. Carry all visual inspection before buying any kind of yam. Gently press all parts of the tuber making sure it is all firm and strong. Any soft part at all is any indication that the yam is getting spoil. To purchase any kind of yam of premium quality and quantity and have them delivered to your door step at an affordable price. Visit www.daydone.com.ng and place your order!!!

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Is yam getting abundant in your area?