epinastic
Ep`i*nas"tic, a. Etym: [Pref. epi- + Gr. (Physiol.) Defn: A term applied to that phase of vegetable growth in which an organ grows more rapidly on its upper than on its under surface. See Hyponastic.
Ep`i*nas"tic, a. Etym: [Pref. epi- + Gr. (Physiol.) Defn: A term applied to that phase of vegetable growth in which an organ grows more rapidly on its upper than on its under surface. See Hyponastic.