Morphology of Flowering Plants

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Multiple Choice

The mode of arrangement of perianth lobes in bud condition is called aestivation. The aestivation observed in the calyx of Ipomoea and Catharanthus is _________.

  1. valvate
  2. twisted
  3. ascendingly imbricate
  4. descendingly imbricate
  5. quincuncia
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