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mimosa

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Mimosa is a genus of legumes notable for its compound leaves that rapidly fold in response to physical contact and environmental changes. This phenomenon has made it a classic model system for studying plant physiology, particularly how plants sense mechanical stimuli and generate coordinated responses. Understanding mimosa's movement mechanisms provides fundamental insights into plant sensory systems, signal transduction, and adaptive behaviors.

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Electrical Signaling Speed in Mimosa pudica Exceeds Previous Estimates by 10x

bioRxiv · 2026-02-26

The sensitive plant transmits electrical signals 10x faster than textbooks claim, at speeds approaching simple animal nervous systems.

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40 cm/s signal speed (10x previous)

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Phloem sieve tube transmission

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Temperature-dependent (enzymatic mechanism)

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