Cola is a genus of trees native to the tropical forests of Africa, classified in the family Malvaceae, subfamily Sterculioideae (or treated in the separate family Sterculiaceae). Species in this genus are sometimes referred to as kola tree or kola nut for the caffeine-containing fruit produced by the trees that is often used as a flavoring ingredient in beverages. The genus is related to the South American genus Theobroma, or cocoa. They are evergreen trees, growing up to 20 m tall (about 60 feet), ...
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