单词 | perigyny |
释义 | perigynyn. Botany. The condition of being perigynous. Contrasted with epigyny n. at epigynous adj. Derivatives, hypogyny n. at hypogynous adj. Derivatives. ΘΚΠ the world > plants > part of plant > reproductive part(s) > flower or part containing reproductive organs > [noun] > parts of > stamen or pistil > stamen(s) > state of being united or in particular position perigyny1879 obdiplostemony1880 hypogyny1887 oligomery1887 synandrium1897 synandry1900 1879 A. Gray in A. Gray & G. L. Goodale Bot. Text-bk. (ed. 6) I. vi. §3. 183 The perigyny may be..merely the adnation of petals and stamens to calyx,..or..the adnation of the calyx. 1887 Athenæum 10 Dec. 787/3 The shortening of the axis within the flower, giving the transition from hypogyny through perigyny to epigyny. 1946 A. Nelson Princ. Agric. Bot. vii. 175 The rose shows a somewhat parallel development where extreme perigyny in the flower provides a degree of protection for the carpels. 1992 M. Ingrouille Diversity & Evol. Land Plants 153 A pattern called perigyny, in some respects intermediate between hypogyny and epigyny.., is seen frequently in the Rosaceae. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1879 |
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