#genus_Lactuca__Lactuca  an herb with milky juice: lettuce; prickly lettuce
  supertype:  asterid_dicot_genus__asteriddicotgenu  genus of more or less advanced dicotyledonous herbs and some trees and shrubs
  member of:  family_Compositae
  member:  lettuce.herbaceous_plant  any of various plants of the genus Lactuca
  member:  garden_lettuce__common_lettuce__Lactuca_sativa  annual or perennial garden plant having succulent leaves used in salads; widely grown
  member:  cos_lettuce__coslettuce__romaine_lettuce__romainelettuce__Lactuca_sativa_longifolia  lettuce with long dark-green spoon-shaped leaves
  member:  head_lettuce__Lactuca_sativa_capitata  distinguished by leaves arranged in a dense rosette that develop into a compact ball

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