nyctinastic
/ˌnɪktɪˈnæstɪk/adjective
- Botany (of the periodic movement of flowers or leaves) caused by nightly changes in light intensity or temperature【植】（花或叶的周期运动）感夜性的, 就眠性的。
派生词
nyctinasty
/ˈnɪktɪˌnæstɪ/ noun词源
early 20th cent.: from Greek nux, nukt- 'night' + nastos 'pressed' + -IC.