this is Stachys sylvatica,the Hedge woundwort or Hedge nettle, family Lamiaceae,

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Photo credit: © Franz Neidl / Alamy / Afripics
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Keywords: boschi, dei, hairy, hedge, italy, lamiaceae, medicinal, nettle, purple, stachys, stregona, summer, sylvatica, vertical, wald-ziest, wild, wildflower, woundwort