Rapid plant movement

Extremely fast movements such as the explosive spore dispersal techniques of Sphagnum mosses may involve increasing internal pressure via dehydration, causing a sudden propulsion of spores up or through the rapid opening of the "flower" opening triggered by insect pollination.

This release can be seen in the closing of a Venus flytrap, the curling of sundew leaves, and in the trapdoor action and suction of bladderworts.

[4] Slower movement, such as the folding of Mimosa pudica leaves, may depend on reversible, but drastic or uneven changes in water pressure in the plant tissues[5] This process is controlled by the fluctuation of ions in and out of the cell, and the osmotic response of water to the ion flux.

[6] In 1880 Charles Darwin published The Power of Movement in Plants, his second-to-last work before his death.

Plants that are able to rapidly move their leaves or their leaflets in response to mechanical stimulation such as touch (thigmonasty): Plants that move their leaves or leaflets at speeds rapid enough to be perceivable with the naked eye: