The ethylene produced causes nastic movements ( epinasty ) of the leaves, perhaps helping the plant to lose water.
2.
This is particularly true for flood-sensitive plants that show drooping of their leaves due to epinasty ( rather than wilting ).
3.
Nastic movements results from differential cell growth ( e . g . epinasty and hiponasty ), or from changes in turgor pressure within plant tissues ( e . g ., nyctinasty ), which may occur rapidly.