Table of Contents (click to expand)The Mimosa Pudica Shows ThigmonastyMimosa Pudica’s Leaves Bend Due To A Change In Turgor Pressure Of Its CellsMimosa Pudica Folds Its Leaves As A Predator Avoidance Mechanism. Mimosa pudica bends upon being touched. This is called thigmonasty. A nastic movement is any movement in response to a stimuli. M. pudica’s leaves close due to changes in the turgor pressure in its cells. The behavior is a predator avoidance mechanism. Mimosa pudica is a perennial herb of the Fabaceae pea family, native to Central and South America. Commonly called the touch-me-not plant, the sensitive plant, or the … Continue reading Why Do Touch-Me-Not (Mimosa Pudica) Leaves Close When Touched?