The bark of which tree is used to obtain spice?

Question

First used in western medicine in the 17th century what was the drug developed from the bark of the cinchona tree used to treat?

Answer 1

The cinnamon tree (Cinnamomum zeylanicum), a member of the laurel family (Lauraceae). The delicious, fragrant spice cinnamon is obtained from the ground inner bark of trunks and branches. Another species of Cinnamomum (C. camphora) is the source of camphor oil, a monoterpene essential oil distilled from the wood.