photoepinasty

English

Etymology

photo- +‎ epinasty

Noun

photoepinasty (uncountable)

1. (botany) A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light.
   • 1990, B. Millet, H. Greppin, Intra-and Intercellular Communications in Plants:

     a clear cut relation is shown between these photoresponses and the induced photoepinasty

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “photoepinasty”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)