photo-epinasty
Pho`to-ep"i*nas`ty, n. Etym: [See Photo-, and Epinastic.] (Bot.) Defn: A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light. Encyc. Brit.
Pho`to-ep"i*nas`ty, n. Etym: [See Photo-, and Epinastic.] (Bot.) Defn: A disproportionately rapid growth of the upper surface of dorsiventral organs, such as leaves, through the stimulus of exposure to light. Encyc. Brit.