Acorn gall

Acorn gall

Observation - Acorn gall - UK and Ireland. Description: A stunted acorn (next to an unaffected acorn cup) found on Sessile oak. It has a hole in the cenre suggesting that it is a gall

A stunted acorn (next to an unaffected acorn cup) found on Sessile oak. It has a hole in the cenre suggesting that it is a gall