photomorphogenesis
noun
pho·to·mor·pho·gen·e·sis ˌfō-tō-ˌmȯr-fə-ˈje-nə-səs 
: plant morphogenesis controlled by radiant energy (such as light)
photomorphogenic
ˌfō-tō-ˌmȯr-fə-ˈje-nik
adjective 
Example Sentences
Recent Examples on the Web Her research was in photomorphogenesis, which is the influence of light on plant growth. 
Los Angeles Times, 26 Feb. 2022
Los Angeles Times, 26 Feb. 2022 Word History
Etymology
New Latin
First Known Use
1957, in the meaning defined above