| 单词 | 直生 |
| 释义 | 〔periwinkle〕Any of several erect herbs of the genusCatharanthus, especially C. roseus, having flowers with a rose-pink or white salverform corolla and a closed throat. 长春花类植物：任何一种属于长春花属 的直生草类，尤指 长春花 花朵有玫瑰粉色或白色的托盘状花冠 〔orthotropic〕Tending to grow or form along a vertical axis.直生的：倾向于沿竖直轴生长或形成的〔orthotropous〕Growing straight, so that the micropyle is at the end opposite the stalk. Used of an ovule.直生的：直立生长以至珠孔在茎的另一端的。用于形容胚珠 |
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