#genus_Populus__Populus  a genus of trees of the family Salicaceae that is found in the northern hemisphere; poplars
  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_Salicaceae
  member:  poplar_tree__poplar  any of numerous trees of north temperate regions having light soft wood and flowers borne in catkins

No statement uses or specializes genus_Populus; click here to add one.