Thigmotropism vs. Thigmonasty

Thigmotropismnoun

(biology) Growth or motion in response to touch

Thigmotropism

Thigmotropism is a directional growth movement which occurs as a mechanosensory response to a touch stimulus. Thigmotropism is typically found in twining plants and tendrils, however plant biologists have also found thigmotropic responses in flowering plants and fungi.

Thigmonastynoun

A nastic response to touch or vibration.

Thigmonasty

Thigmonasty or seismonasty is the nastic response of a plant or fungus to touch or vibration. Conspicuous examples of thigmonasty include many species in the leguminous subfamily Mimosoideae, active carnivorous plants such as Dionaea and a wide range of pollination mechanisms.