Types of Transpiration Transpiratin is loss of water in vapour form from the exposed parts of a plant. There are three types of transpiration-lenticular, cuticular and stomatal.Lenticular transpiration is the loss of water in vapour form from lenticels present in the bark by stems. It is only 0.1% of the total.Cuticular transpiration is loss of water in vapour form … [Read more...] about Types of Transpiration