Question

Write one main function of hydathodes.

Answer 1

Hydathodes:

1. Hydathodes are special marginal pores where the veins of the leaves open up.
2. These are also called water stomata.

Function:

1. They discharge water in the form of water droplets at the margins of the leaves by the process of guttation.
2. It occurs at night or in the early morning due to high root pressure and low transpiration rate.