Couroupita guianensis, known by several common names, including cannonball tree, is a deciduous tree in the family Lecythidaceae, which also contains the Brazil nut (Bertholletia excelsa). It is native to the rain forests of Central and South America. It is cultivated in many other places.
There are many medicinal uses for the plant. Native Amazonians use extracts of several parts of the tree to treat hypertension, tumors, pain, and inflammation. It has been used to treat the common cold, stomachache, skin conditions and wounds, malaria, and toothache. Laboratory tests show that extracts of the plant have some antimicrobial activity and inhibit the formation of biofilms.
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