Heliotropism: nm Heliotropism is the property of fixed plants (and certain lower animals) to turn towards light
solar (positive heliotropism), like sunflower, or to turn away from it (negative heliotropism) ....
Hello,
You must be a subscriber to read the rest of this article, its links and its images.
The subscription to the complete reading of the site is at 1 €uro per month, without any commitment.
If you already have a current subscription, please log in using the form below.
Otherwise you can subscribe here.