thermotropism
thermotropic movement

When plants respond to a heat-related stimuli it is known as thermotropism.

Thermotropism or thermotropic movement is the movement of a plant or plant part in response to changes in temperature.

Mimosa Pudica (Touch Me Not plants)also show thermotropism by the collapsing of leaf petioles leading to the folding of leaflets, when touched .

They must have rest periods, of course, but they now exhibit positive thermotropism - that is, they grow throughout the day and at very low light levels, typically those found at dawn and dusk.'

Thermotropism or thermotropic movement is the movement of a plant or plant part in response to changes in temperature.