IPA: /ˈnæstɪk/
KK: /ˈnæstɪk/
Relating to the movement of plant parts that occurs due to internal stimuli, often resulting from uneven growth on one side of the plant.
The nastic movements of the flower petals open and close in response to changes in light.
Nastic is derived from the Greek word "nasis" (meaning to press or to squeeze) and the suffix "-tic" (meaning relating to). The term "nastic" refers to movements or responses of plants that are related to the pressure or stimulus they receive.
Think of the Greek root 'nasis' meaning to 'press' or 'squeeze' — this helps you remember that 'nastic' relates to the movements of plants in response to pressure or stimuli.