| 释义 |
orthostichy Bot.|ɔːˈθɒstɪkɪ|
[f. as prec. + -y.]
A vertical row or rank; an arrangement of lateral members (e.g. leaves) inserted on an axis or stem one directly above another.
1875Bennett & Dyer tr. Sachs' Bot. 167 If members are so arranged at different heights on an axis that their median planes coincide, they form a straight row or Orthostichy; generally there are two, three, or more orthostichies on an axial structure. 1884Bower & Scott De Bary's Phaner. 567 Species..with five or more marked prominences,..each of these being opposite to one of the orthostichies of leaves. |