photomorphogenic
/ˌfəʊtə(ʊ)mɔːfə(ʊ)ˈdʒɛnɪk/Botany
adjective
Of or relating to the effects of light on the growth and development of plants; involving or causing such effects; relating to or produced by photomorphogenesis.
Origin
1950s; earliest use found in American Journal of Botany. From photo- + morphogenic.