Aleppo Gall Definition

noun

The gall produced by the leaves of the Aleppo oak , Quercus infectoria Quercus infectoria , in response to the larvae of a species of gall wasp , Cynips quercusfolii Cynips quercusfolii , and which has been harvested for thousands of years as a concentrated source of tannins for use in high-quality inks, in medicine , etc.

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