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单词 perigynous
释义 perigynous, a. Bot.|pəˈrɪdʒɪnəs|
[f. mod.L. perigyn-us (Jussieu 1789) (f. Gr. περί around + γυνή wife, female, pistil) + -ous. In mod.F. périgyne.]
Situated around the pistil or ovary: said of the stamens when growing upon some part surrounding the ovary (either the calyx, or the corolla, or the edge of the hollowed receptacle); also said of a flower in which the stamens are so placed. Opp. to epigynous and hypogynous.
1807R. A. Salisbury in Trans. Linn. Soc. VIII. 1 That insertion of the Stamina which the celebrated Jussieu has denominated Perigynous.1830Lindley Nat. Syst. Bot. Introd. 27 Or they [stamens] contract an adhesion..with either the calyx or corolla, when they become perigynous.1875Bennett & Dyer Sachs' Bot. 200 The perigynous flower of a rose.
So peˈrigyny, the condition of being perigynous.
1880Gray Struct. Bot. vi. §3 (ed. 6) 183 The perigyny may be..merely the adnation of petals and stamens to calyx,..or..the adnation of the calyx.1887Athenæum 10 Dec. 787/3 The shortening of the axis within the flower, giving the transition from hypogyny through perigyny to epigyny.
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更新时间:2024/12/22 17:55:09