#genus_Ostrya__Ostrya  deciduous monoecious trees of Europe and Asia and America; sometimes placed in subfamily or family Carpinaceae
  supertype:  hamamelid_dicot_genus__hamameliddicotgenu  genus of mostly woody relatively primitive dicotyledonous flowering plants with flowers often unisexual and often borne in catkins
  member of:  family_Betulaceae
  member:  hop_hornbeam__hophornbeam  any of several trees resembling hornbeams with fruiting clusters resembling hops
  member:  Old_World_hop_hornbeam__Ostrya_carpinifolia  medium-sized hop hornbeam of southern Europe and Asia Minor
  member:  Eastern_hop_hornbeam__ironwood__ironwood_tree__Ostrya_virginiana  medium-sized hop hornbeam of eastern North America

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