epinasty
[ ep-uh-nas-tee ]
/ ˈɛp əˌnæs ti /
noun Botany.
(especially of leaves) increased growth on the upper surface of an organ or part, causing it to bend downward.
OTHER WORDS FROM epinasty
ep·i·nas·tic, adjectiveWords nearby epinasty
Example sentences from the Web for epinasty
Young leaves exhibit moreover a pronounced hyponasty or epinasty, which would naturally modify the diurnal curve.
Life Movements in Plants, Volume II, 1919 |Sir Jagadis Chunder Bose
British Dictionary definitions for epinasty
epinasty
/ (ˈɛpɪˌnæstɪ) /
noun plural -ties
increased growth of the upper surface of a plant part, such as a leaf, resulting in a downward bending of the part
Compare hyponasty
Derived forms of epinasty
epinastic, adjectiveWord Origin for epinasty
C19: from
epi- +
-nasty, from Greek
nastos pressed down, from
nassein to press