Thermotropism or thermotropic movement is the movement of a plant or plant part in response to changes in temperature. A common example is the curling of Rhododendron leaves in response to cold temperatures. Mimosa Pudica also show thermotropism by the collapsing of leaf petioles leading to the folding of leaflets, when temperature drops. When pla...
growth of organism influenced by heat
• (n.) The phenomenon of turning towards a source of warmth, seen in the growing parts of some plants.
(thәr-mot´ro-piz-әm) tropism in response to an increase in temperature. adj., thermotrop´ic., adj.
Ther·mot'ro·pism noun [ Thermo- + Greek ... to turn.] (Botany) The phenomenon of turning towards a source of warmth, seen in the growing parts of some plants. 
Type: Term Pronunciation: ther-mot′rō-pizm Definitions: 1. The motion by a part of an organism (leaves or stems) toward or away from a source of heat.
thermotropism 1. The motion by a part of an organism (e.g., leaves or stems) toward or away from a source of heat. 2. An orientation response to a heat stimulus; turning or bending under the influence of heat; usually a reference to cells and multicellular organisms. 3. The movement or growth of an organism or part of an organism in response to he...
noun an orienting response to warmth