witch-hazel cone gall

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English[edit]

witch-hazel cone galls

Noun[edit]

witch-hazel cone gall (countable and uncountable, plural witch-hazel cone galls)

  1. Cone-shaped distortions of the leaves of witch-hazel trees, caused by aphids of species Hormaphis hamamelidis (witch-hazel cone gall aphid).

References[edit]

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