What organ within a common plant starts the process of transpiration?

Stomata is organ within a common plant which starts the process of transpiration.

Explanation:

Water is released by plant in water vapor or moisture form is known as transpiration. In the process of transpiration, a very little amount of water is absorbed by root and left out water is evaporated in the atmosphere.

Transpiration can be of different types. The most common is stomatal transpiration. It is in the pores of the plant leaves. Here from plant about 80% to 90% of water is lost from plant. Transpiration is affected by climate. Stomata Distribution also affects transpiration