adjective
- of or relating to nyctinasty; exhibiting movement or changes in response to the onset of darkness or night
Usage: botanical and biological term; technical
Examples
- The nyctinastic movements of the plant's leaves allow them to close at night and open during the day.
- Many flowers display nyctinastic behavior, folding their petals as darkness falls.
- Scientists study nyctinastic responses to understand how plants perceive and react to light cycles.
- The tulip's nyctinastic properties make it a classic example in botany classes.