Apheliotropic :: Apheliotropic (a.) Turning away from the sun; -- said of leaves, etc..
Apheliotropism :: Apheliotropism (n.) The habit of bending from the sunlight; -- said of certain plants.
Diaheliotropism :: Diaheliotropism (n.) A tendency of leaves or other organs of plants to have their dorsal surface faced towards the rays of light.
Heliotropic :: Heliotropic (a.) Manifesting heliotropism; turning toward the sun.
Heliotropism :: Heliotropism (n.) The phenomenon of turning toward the light, seen in many leaves and flowers..