Question

State different types of transpiration.

Answer 1

• Depending upon the plant surface involved, transpiration is of three types - cuticular, lenticular, and stomatal
• Cuticular transpiration:- The surfaces of leaves and young/tender stems have a protecting, thin waxy covering called cuticle.
• Transpiration that occurs through cuticles on the upper surface of leaves and stems is called cuticular transpiration.
• Lenticular transpiration:- Lenticels are tiny openings or freckle-like spots.
• Transpiration that occurs through lenticels that are present on the mature stems of plants is called lenticular transpiration.
• Stomatal transpiration:- Stomata are tiny openings present on the epidermis of leaves.
• Stomatal transpiration occurs through stomata on the lower surface of leaves.