Concept:
Gallic acid is a naturally occurring phenolic acid found in several plant materials.
Indian gooseberry (amla) is a well-known natural source associated with gallic acid.
ip
Step 1: Recall the common source.
Among the given options, Indian gooseberry is known as a source of gallic acid.
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Step 2: Eliminate the remaining options.
• Clove is associated mainly with eugenol.
• Wintergreen is associated with methyl salicylate.
• Citrus fruits are associated mainly with citric acid and vitamin C.
e}
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Hence, the correct answer is:
\[
\boxed{(D)\ \text{Indian gooseberry}}
\]