Kola nut

Kola nut – pod (with seeds inside their white testa), and seeds (whole without testa and split into cotyledons).

The kola nut is the fruit of the kola tree, a genus (Cola) of trees that are native to the tropical rainforests of Africa. The caffeine-containing fruit of the tree is a flavoring ingredient in drinks. Such beverages often use the word "cola".

Kola Nut Media

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  Cola acuminata in flower: colored plate from Köhler's Medizinal-Pflanzen

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  Cola acuminata in fruit, also from Köhler's Medizinal-Pflanzen

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  Kola nuts spread out for sale in the central market in Ouagadougou, Burkina Faso

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  Coca-Cola Advertisement, 1886

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  Seeds of true / "female" kola (= Cola acuminata) compared and contrasted with those of bitter / "male" kola (= Garcinia kola)

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  Cocoa pod: fruit of (true) kola relative Theobroma cacao bisected to show similarity of structure to that of fruit of Cola acuminata