Banana and plantain
Banana and plantain are perennial crops that take the appearance of trees as they mature. Diverse cultivars are grown. Musa are believed to have originated in Southeast Asia but their introduction into Africa is unclear.
Cassava is a perennial woody shrub with an edible root, which grows in tropical and subtropical areas of the world. Cassava originated from tropical America and was first introduced into Africa in the Congo basin by the Portuguese around 1558. Today, it is a dietary staple in much of tropical Africa.
Cocoa is a small (4–8 m tall) perennial tree crop that primarily comes from three tropical regions—Southeast Asia, Latin America, and West Africa. Côte d’Ivoire is the single largest producer of cocoa, accounting for approximately 31% of the world’s supply.
Coffee (Coffea L.) is the world’s favorite beverage and the second-most traded global commodity after oil. In 2009/10 coffee accounted for exports worth an estimated US$ 15.4 billion, when some 93.4 million bags were shipped, with total coffee sector employment estimated at about 26 million people in 52 producing countries.
Cowpea is a food and animal feed crop grown in the semi-arid tropics covering Africa, Asia, Europe, United States and Central and South America. It originated and was domesticated in Southern Africa and was later moved to East and West Africa and Asia.
Maize or corn is a cereal crop that is grown widely throughout the world in a range of agroecological environments. More maize is produced annually than any other grain. About 50 species exist and consist of different colors, textures and grain shapes and sizes.
Soybean is a leguminous vegetable of the pea family that grows in tropical, subtropical, and temperate climates. Soybean was domesticated in the 11th century BC around northeast of China. It is believed that it might have been introduced to Africa in the 19th century by Chinese traders along the east cost of Africa.
Yams are starchy staples in the form of large tubers produced by annual and perennial vines grown in Africa, the Americas, the Caribbean, South Pacific and Asia. There are hundreds of wild and domesticated Dioscorea species.