Adaptation to Reduce Transpiration


 
 
Concept Explanation
 

Adaptation to Reduce Transpiration

Many plants and specially those which grow in a dry climate have evolved a variety of permanent adaptations to curtail transpiration. Some of these adaptations are as follows :-

1. Sunken stomata :- The stomata may be sunken or covered by hairs(e.g. Nerium)

                              

 2.Fewer stomata :- The number of stomata may be reduced.

                                  

3. Narrow leaves :-  The leaves may become narrower to reduce surface area.

                              

4Reduce exposed surfaces :-  In some cases, leaves may get wavy, rolled or folded to reduce exposed surface.

                                   

5.Loss of leaves : In some cases, leaves may be dropped or may be absent or changed into spines as in most cacti.

                                         

   6. Thick cuticle  :-  The leaves may be covered by thick cuticle(e.g. Banyan), and most evergreen trees.

                                       

 
 
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