heliotropism
Phototropism vs Heliotropism - What's the difference?
phototropism | heliotropism |As nouns the difference between phototropism and heliotropism
is that phototropism is the movement of a plant towards or away from light while heliotropism is the property of some plants of turning under the influence of light; either positively (towards the light) or negatively (away from the light.Taxonomy vs Heliotropism - What's the difference?
taxonomy | heliotropism |