Cinchona refers to a genus of tropical trees and shrubs in the family Rubiaceae, particularly known for their bark, which is a source of quinine. Quinine is a compound used to treat malaria and has historically been important in medicine. The term ‘cinchona’ can also refer specifically to the dried bark of these trees, which was used in traditional remedies. The genus is native to South America and includes several species, such as Cinchona officinalis.
