#perennial  a plant lasting for three seasons or more
  supertype:  #plant__flora__plant_life__plantlife  a living organism lacking the power of locomotion
  subtype:  #rattlesnake_master__rattlesnakemaster__rattlesnake's_master__rattlesnake'smaster__button_snakeroot__Eryngium_yuccifolium  coarse prickly perennial eryngo of United States thought to cure rattlesnake bite

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