| 释义 |
epinasty
ep·i·nas·ty E0180000 (ĕp′ə-năs′tē)n. The downward bending of a leaf or other plant part, resulting from greater growth of the upper side than of the lower side.
[epi- + -nasty.]
ep′i·nas′tic (-tĭk) adj.epinasty (ˈɛpɪˌnæstɪ) n, pl -ties (Botany) increased growth of the upper surface of a plant part, such as a leaf, resulting in a downward bending of the part. Compare hyponasty[C19: from epi- + -nasty, from Greek nastos pressed down, from nassein to press] ˌepiˈnastic adjep•i•nas•ty (ˈɛp əˌnæs ti)
n. increased growth on the upper surface of a plant organ or part, esp. a leaf, causing it to bend downward. [1875–80] ep`i•nas′tic, adj. epinasty
epinasty[′ep·ə‚nas·tē] (botany) Growth changes in which the upper surface of a leaf grows, thus bending the leaf downward. epinasty
epinasty the increased growth of the upper surface of a structure, such as a leaf, resulting in its being downcurved. |