copper beech
From Longman Dictionary of Contemporary EnglishRelated topics: Plantscopper beechˌcopper ˈbeech noun [countable] HBPa large European tree with purple-brown leavesExamples from the Corpuscopper beech• His particular joy was the fine copper beech tree which dominated the scene.• Wisps of high grey cloud scarcely moved behind the copper beech.• The heavy boughs and dark leaves of the copper beech that spread over the drive perfectly suited her mood of despair.