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icosandria
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icosandria
‖ icosandria Bot. (aɪkəʊˈsændrɪə) [mod.L. (Linnæus 1735), f. Gr. εἴκοσι twenty + ἀνήρ, ἀνδρ- man, male, taken as ‘stamen’.] The twelfth class in the Linnæan Sexual System, containing plants with 20 or more stamens inserted on the calyx.1753 Chambers Cycl. Supp., Icosandria... Of this class are the t...
Oxford English Dictionary
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polyandria
▪ I. polyandria (pɒlɪˈændrɪə) [mod.L., a. Gr. πολυανδρία, n. of state from πολύανδρος having many men or husbands (f. πολυ-, poly- + ἀνδρ- man, male), employed by Linnæus (1735) in the sense ‘having many stamens or male organs’.] 1. Bot. The thirteenth class in the Linnæan Sexual System, comprising ...
Oxford English Dictionary
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Systema Naturae
Icosandria
Classis 13. Polyandra
Classis 14. Didynamia
Classis 15. Tetradynamia
Classis 16. Monadelphia
Classis 17. Diadelphia
Classis 18.
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自然系统
二十雄蕊纲(Icosandria)
Classis 13. 多雄蕊纲(Polyandra)
Classis 14. 二强雄蕊纲(Didynamia)
Classis 15. 四强雄蕊纲(Tetradynamia)
Classis 16.
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