the answer is cinchona
Quinine comes from the bark of the cinchona tree of South America.
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how do cinchona trees adopt to its environment
Quinine is made from cinchona tree
Hindi name of cinchona bark is 'Qunain'.
The cinchona tree, which is native to in the Amazon rain forest. This tree's bark is the source of quinine and is the original cure for malaria.
Malaria http://www.answers.com/cinchona?cat=technology&gwp=13
Quinine. (Too much quinine in one's system can lead to cinchonism.)
If all the trees in the equatorial regions are cleared then we would'nt get the bark of cinchona tree to cure malaria. We would not get rubber from the rubber trees.
Cinchona
plant parts