By Dib3769
United Kingdom 
I too have a copper beech over 30 years old and now producing a large plum like fruit loads of them any one elase had these, Thanks Diane
18 Jul, 2010
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« thanks,i thought i might have them a bit deep.thanks again
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A picture would be useful, Dib, but I suspect that these are galls rather than fruits. Galls are growths caused by burying insects in which they live.
18 Jul, 2010