单词 | protogyny |
释义 | protogynyn. Botany and Zoology. The condition of being protogynous. Cf. protandry n. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > order of maturation of protandry1870 protogyny1870 synacmy1870 proterandrousness1875 proterogyny1879 proterandry1880 synanthesis1880 1870 A. W. Bennett in Jrnl. Bot., Brit. & Foreign 8 315 The terms Protandry and Protogyny used by Hildebrand to express, in the one case the development of the stamens before the pistils, in the other case the development of the pistil before the stamens, are so convenient and expressive that I have adopted them in this paper. 1934 A. Arber Gramineae viii. 157 Protogyny—the maturation of stigmas before the anthers—is rare in the Gramineae, but it occurs in certain species which have no lodicules. 1989 Nature 9 Mar. 149/2 Sex change occurs in two basic forms: protandry (male function first in life) and protogyny (female first). 2003 Neuroscience 119 251/1 This species [sc. the saddleback wrasse] exhibits diandric protogyny wherein most individuals develop and first reproduce as females but can become male later in life. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1870 |
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