| 单词 | keel-petal |
| 释义 | > as lemmaskeel-petal keel-petal n. see 5a. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > petal > of particular shape or position keel1597 vexillum1703 standard1725 ala1731 wing1776 banner1785 vexil1813 winglet1855 keel-petal1876 pterygium1896 1876 C. Darwin Effects Cross & Self Fertilisation Veg. Kingdom v. 155 They did not depress the keel-petals so as to expose the anthers and stigma. < as lemmas |
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