#seed.ovule  a mature fertilized plant ovule consisting of an embryo and its food source and having a protective coat or testa
  supertype:  #ovule  a small body that contains the female germ cell of a plant; develops into a seed after fertilization
  part:  #testa__seed_coat  protective outer layer of seeds of flowering plants
  part:  #endosperm  nutritive tissue surrounding the embryo within seeds of flowering plants
  part:  #pericarp__seed_vessel  the ripened and variously modified walls of a plant ovary

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