#black_walnut_tree__black_walnut__blackwalnut__black_hickory__blackhickory__Juglans_nigra  North American walnut tree with hard dark wood and edible nut
  supertype:  walnut_tree__walnut  any of various trees of the genus Juglans
  member of:  genus_Juglans
  part:  black_walnut__blackwalnut  American walnut having a very hard and thick woody shell

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