| 单词 | orthotropous ovule |
| 释义 | orthotropous ovule (once / 5909656 pages) n WORD FAMILY orthotropous ovule USAGE EXAMPLESOrthotropous ovule of Buckwheat: c, hilum and chalaza; f, orifice. Gray, Asa, The Elements of Botany—For Beginner...(2010) n a completely straight ovule with the micropyle at the apex Hyper ovule a small body that contains the female germ cell of a plant; develops into a seed after fertilization |
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