aphototropic
/æfəˈtrɒptɪk/Definitions
1. adjective
Having or exhibiting a tendency to grow towards or from light.
“The aphototropic roots of the plant made it difficult to cultivate.”
2. noun
A plant or organism with a tendency to grow towards or from light.
“Aphotonastic and aphototropic responses in plants are studied to improve crop yields.”