adjective
- of or relating to epinasty; characterized by more rapid growth on the upper surface of a plant organ, causing it to curve downward
Usage: botany; technical
Examples
- The epinastic growth of the leaf caused it to bend downward.
- Epinastic movements in plants are often triggered by environmental stress.
- The epinastic response helps the plant protect itself from excessive sunlight.
- Botanists observed epinastic curvature in the seedlings after exposure to heat.
- Epinastic growth patterns differ from hyponastic growth in their direction and causes.