单词 | protandry |
释义 | protandryn. Botany and Zoology. The condition of being protandrous. Cf. protogyny n. ΘΚΠ the world > animals > invertebrates > colony or compound organism > [noun] > condition of being protanderous protandry1870 proterandrousness1875 proterandry1880 protandrism1890 the world > animals > animal body > general parts > sexual organs and reproduction > [noun] > sexual organs > hermaphrodite animal > having male organs mature before female protandry1870 proterandry1880 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. 1914 F. E. Fritsch & E. J. Salisbury Introd. Study Plants xx. 252 (caption) Flowers of the Rose-bay Willow-herb to illustrate protandry. 1932 Proc. 6th Internat. Congr. Genetics 2 26 Several of the oviparous species show a large percentage of intersexuality when young, with a strong tendency toward protandry. 1970 Nature 11 July 189/2 Gross examination of gonads in larger males and smaller females showed no evidence of protandry. 1992 M. Ingrouille Diversity & Evol. Land Plants 146 Either the stamens mature first (protandry) or the stigmas are receptive before pollen is released (protogyny). This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.1870 |
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