Correct Answer: Cinchona

Solution : The correct option is - Cinchona.

Quinine is a naturally occurring substance that was originally extracted from the bark of a cinchona tree in 1820. malaria is treated with quinine, a substance found in the bark of the cinchona tree. Numerous alkaloids, including the most well-known antipyretic (anti-fever) medication, quinine, are found in the bark of trees in this genus. Strecker discovered the formula of Quinine in 1854. This gives rise to the name "cinchona alkaloids" for the group of chemical substances that it belongs to.