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Where are bulliform or motor cells …

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Where are bulliform or motor cells found and their functions?
  • 1 answers

Amar Kumar 8 years ago

Bulliform cell. Bulliform cells are large, bubble-shaped epidermal cells that occur in groups on the upper surface of the leaves of many monocots.These cells are present on the adaxial or the upper surface of the leaf. They are generally present near the mid vein. These cells are large, empty and colourless.

The important functions of bulliform cells are:

  1. It is mainly concerned with storage of water.
  2. During the water stress condition in leaf minimize by curling the leaf inwards.
  3. It is concerned with the rolling and unrolling of the leaves.
  4. It is also concerned with the hygroscopic opening and closing movements of mature leaves.
  5. It helps in transpiration process.
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