- Any of several South American trees, of the genus Cinchona, cultivated for its medicinal bark.
Etymology: Named (by Linnaeus) after the Countess of w:Chinchón, Chinchón, who was cured of a fever by the bark while in Peru and brought a supply of it back to Europe.
- 2001: German chemists were the first to isolate pure drug chemicals from herbal medicines, with the isolation of morphine from crude opium in 1803 and quinine from the bark of the tree in 1820. " Leslie Iversen, Drugs: A Very Short Introduction (Oxford 2001, p. 8)
- The bark of these trees, that yields quinine alkaloids used to treat malaria.
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