#head_lettuce__Lactuca_sativa_capitata  distinguished by leaves arranged in a dense rosette that develop into a compact ball
  supertype:  #lettuce.herbaceous_plant  any of various plants of the genus Lactuca
  member of:  #genus_Lactuca
  part:  #butterhead_lettuce  lettuce with relatively soft leaves in a loose head; easily broken or bruised
  part:  #crisphead_lettuce__crispheadlettuce__iceberg_lettuce__iceberglettuce  lettuce with crisp tightly packed light-green leaves in a firm head

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