Sentence Examples


  • 22, we recognize four distinct whorls of leaves: an outer whorl, the calyx of sepals; within it, another whorl, the parts alternating with those of the outer whorl, the corolla of petals; next a whorl of parts alternating with the parts of the corolla, the androecium of stamens; and in the centre the gynoecium of carpels.
  • The gynoecium or pistil is the central portion of the flower, terminating the floral axis.
  • The androecium and gynoecium are not present in all flowers.
  • A flower then normally consists of the four series of leaves - calyx, corolla, androecium and gynoecium - and when these are all present the flower is complete.
  • In this case it is the gynoecium which has an additional number of parts.
 

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