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Glossary of Botanical Terms

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A B C D E F G H I J K L M N O P  Q R S T U V W X Y Z

 Click on a letter to see definitions of all words beginning with that letter.

Quadrangularis - with four angles.

Quadrangulispinus - with four angled spines.

Quadricostatus - with four ribs.

Quadrispinus - with four spines.

Quinine - an alkaloid, found in the bark of the Cinchona tree, is used to treat malaria, a tropical parasitic disease carried by mosquitoes. Quinine is an essential bitter ingredient of certain drinks e.g. Indian tonic water, where it can be recognised by its blue fluorescence under ultra-violet (black) light illumination.
Structure of Quinine