| 释义 |
〔diageotropism〕The tendency of growing parts, such as roots, to become oriented at right angles to the direction of gravitational force.横生，横向地性：生长部分在地心引力的作用下倾向于适当角度，如植物的根〔amphitropous〕Partly inverted and attached near the center to the funiculus:横生的：部分具有倒生胚珠但着生在珠柄中间附近的： |