The pores located along the edges of plant leaves through which water is released in liquid form are called hydathodes. The release of water in liquid form is known as gation or water excretion or water drinking. Hydathodes are more active at night than during the day. Hydathodes are located along the edges of plant leaves. That’s why in the morning water is seen on the edges of the leaves. Hydathodes are present in plants like grasses, squash, tomato, saffron, strawberry, primula, rose, balsam, Ranunculus fluitans, Campanula rotundifolia. Hydathods named Esau in 1965.
