Hydathode (Noun)
Meaning
A pore that exudes water on the surface or margin of a leaf of higher plants.
Classification
Nouns denoting plants.
Examples
- The leaf of the garden nasturtium has a hydathode at its tip, from which water droplets exude during transpiration.
- Hydathodes are typically found on the margins or tips of leaves, where they help to regulate water pressure.
- In some plants, the hydathode is a distinct gland-like structure that secretes water droplets.
- The hydathode on the leaf of the balsam fir is an important adaptation for maintaining water balance in the plant.
- Water exuded from the hydathode on the surface of the leaf can also help to cool the plant through evaporation.