Some plants react to touch by folding and collapsing their leaves, a defense mechanism that can deter herbivores and dislodge insects. The affected leaf may eventually drop and regrow.
While most plants move slowly, some react to touch by folding their leaves down and collapsing. This 'frightens' herbivores and dislodges insects, and the affected leaf may eventually fall off and be replaced.
| Front | Plant responses to herbivory - Folding in response to touch |
|---|---|
| Back | most plants move very slowly, but if leaves touched, they fold down and collapse (frightens herbivores and dislodges insects), the leaf falls and recovers eventually) |
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