hydathode
/ˈhaɪdəˌθoʊd/
noun
- A small pore or opening on the surface of a plant leaf that releases water droplets, usually from the tip or edge.
- Scientists studied the hydathode to understand how plants control water loss.
- In the morning, you can see water drops forming at the hydathodes of the grass leaves.
- The hydathode helps the plant get rid of excess water from its roots.