#calyx  the sepals of a flower collectively forming the outer floral envelope or layer of the perianth enclosing a developing bud; usually green
  supertype:  #sepal  one of the green parts that form the calyx of a flower
  subtype:  #hull.calyx  #pappus
  part of:  #perianth
  part:  #sepal  one of the green parts that form the calyx of a flower

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