Cinchona L., is the name of a genus in Rubiaceae family, large evergreens that can grow over 10 metres tall. There are ended Forty species in the genus, many of which own spread from either their South American center of origin to countries all on top the world (especially India).

the trees therein genus come a source of a kind of alkaloids, the first of which is quinine, an anti-fever agent especially useful against malaria. A medicinally significant a share of a tree is the bark, which is stripped from either the tree, dried & powdered. As a medicative, jesuit's bark is also referred to as Peruvian Bark.

A title of the genus is due to Linnaeus, who known as a tree inside 1742 after a countess of Chinchon, the married woman of the viceroy of Peru, world health organization, inside 1638, was introduced by indigen to the medicative properties of the bark. Stories of a medicative properties of this bark, nonetheless, come maybe noted within journals when far back when the 1560s-1570s (see a Ortiz hyperlink beneath). A Italian phytologist Pietro Castelli wrote a pamphlet noteworthy when existence a number 1 Italian publication that mentions a cinchona. Per 1630s (or 1640s, depending on a information), the bark was existence exported to Europe. In a late 1640s, the method of utilise of the bark was noted in the Schedula Romana, & around 1677 the use of the bark was noted in the London Pharmacopoeia.