| 单词 | orthotropous |
| 释义 | orthotropous (once / 1688473 pages) adj WORD FAMILY orthotropous USAGE EXAMPLESNutlets coriaceous, small, tawny-hairy below, containing a single orthotropous pendulous seed. Gray, Asa, The Manual of the Botany of the Nor...(2012) Having the ovule inverted at an early period in its development, so that the chalaza is as the apparent apex; Ð opposed to orthotropous. Webster, Noah, Webster's Unabridged Dictionary(2012) Orthotropous ovule of Buckwheat: c, hilum and chalaza; f, orifice. Gray, Asa, The Elements of Botany—For Beginner...(2010) adj (of a plant ovule) completely straight with the micropyle at the apex Ant campylotropous (of a plant ovule) curved with the micropyle near the base almost touching its stalk |
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