Examples from the Web for heliotropic
This reflex process agrees in every point with the heliotropic effects of light on plant organs.Introduction to the Science of Sociology|Robert E. Park
This heliotropic sensitiveness lasts only as long as they are not fed.Darwin and Modern Science|A.C. Seward and Others
Heliotropic reactions play a great rle in the preservation of individuals as well as of species.The Organism as a Whole|Jacques Loeb
If the cotyledon be shaded and the light be permitted to fall on one side of the hypocotyl, no heliotropic curving takes place.
Plant organs exhibit, as we have already seen, a heliotropic curvature under direct stimulation.