#black_poplar__blackpoplar__Populus_nigra  large European poplar
  supertype:  #poplar_tree__poplar  any of numerous trees of north temperate regions having light soft wood and flowers borne in catkins
  subtype:  #Lombardy_poplar__lombardypoplar__Populus_nigra_italica  distinguished by its columnar fastigiate shape and erect branches

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