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单词 perigynium
释义 perigynium Bot.|pɛrɪˈdʒɪnɪəm|
Rarely anglicized as perigyne |ˈpɛrɪdʒɪn|.
[mod.L., f. Gr. περί round + γυνή woman, wife, in Bot. ‘pistil’.]
Name introduced by Link for a structure surrounding the ovary. In current use: a. A membranous sac, investing the ovary in the Sedges (Carex); the utriculus. b. A part of the leafy investment of the female organs of mosses. c. The membrane investing the archegonium in some liverworts (= perianth 1 c).
1821in Gray Nat. Arr. Brit. Pl. I. 163. 1863 Berkeley Brit. Mosses Gloss. 312 Perigynium, the leaves encircling the fertile bud.1870Hooker Stud. Flora 398 Fruit in Carex enclosed in the perigynium.1882Vines Sachs' Bot. 359 A perigynium..grows round the archegonia as a special membranous envelope.
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