Why touch-me-not leaves collapse when touched?

DUE TO LOSS OF TURGOR PRESSURE

Why touch-me-not leaves collapse when touched?
The cause is a loss of turgor pressure. The movement is caused by "a rapid loss of pressure in strategically situated cells that cause the leaves to droop right before one’s eyes"
Reply:TURGOR PRESSURE LOSE.
Reply:Mimosa pudica (Touch-me-not) is well known for its rapid plant movement. In the evening the leaflets will fold together and the whole leaf droops downward. It then re-opens at sunrise. The leaves also close up under various other stimuli, such as touching, warming, or shaking.





The movement is caused by "a rapid loss of pressure in strategically situated cells that cause the leaves to droop right before one’s eyes".
Reply:thats natural for them there is a small fern like plant that dones the same thing.
Reply:well.... lets think does the name "touch me not" give u a lil hint?
Reply:One name for this effect is "thigmotropism."
Reply:in plants there are 3 kinds of movement


1. towards stimuli


2.against stimuli


3.neither towards nor away from stim,uli..this kind of movements is called nastic movements.


the movement of the leaves of touch-me-not plant is a nastic movement!


it is just a response to the stimuli (touch),jus how we move our hands away from a hot object!
Reply:this is their way of response to stimuli

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