noun
- A small pore or opening on the leaf or stem of a plant through which water is excreted.
Usage: botanical term; also called water pore or water stoma
Examples
- The hydathode allows plants to release excess water during humid conditions.
- Botanists observed hydathodes along the margins of the fern fronds.
- Unlike stomata, hydathodes do not regulate gas exchange.
- The plant's hydathodes were visible as tiny droplets on the leaf tips.
- Guttation occurs when water exits through hydathodes on the leaf surface.