seismonasty


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seismonasty

(ˈsaɪzməˌnæstɪ)
n
(Botany) botany a nastic movement in response to shock, esp the rapid folding of the leaflets of the sensitive plant due to changes in turgor pressure caused by vibration
[C20: from seismo- + -nasty]
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Other nastic responses include thermonasty, as in the opening and closing response of tulips due to fluctuations in temperature; nyctinasty, the so-called sleep movements of leaves due to changes of turgor of certain cells located at the base of the petiole; and seismonasty, a response to shaking or some other mechanical disturbance.
seismonasty: Plant's reaction to being touched, or the movement of a plant in response to a shock, such as shaking, intense heat, wind, or rain.