#mescal_button__sacred_mushroom  the button-shaped top of the mescal cactus
  supertype:  #plant_organ__plantorgan  a functional and structural unit of a plant or fungus
  substance:  #mescaline
  part of:  #mezcal__mescal__peyote__Lophophora_williamsii  a small spineless globe-shaped cactus; source of mescal buttons

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