#potato_bean__groundnut__wild_bean  nutlike tuber; important food of Native Americans
  supertype:  tuber  a fleshy underground stem or root serving for reproductive and food storage
  part of:  groundnut_vine__groundnutvine__groundnut__Indian_potato__potato_bean__wild_bean__Apios_americana__Apios_tuberosa  a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans

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