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单词 Polyadelphia
释义 Polyadelphia Bot.|ˌpɒlɪəˈdɛlfɪə|
[mod.L. (Linnæus, 1735), f. Gr. πολυ-, poly- + άδελϕός brother + -ia1.]
The eighteenth class in the Linnæan Sexual System, comprising plants whose flowers have the stamens united in three or more bundles. Hence ˈpolyadelph (rare—0), a plant of this class; polyaˈdelphian (rare—0), polyaˈdelphous adjs., belonging to this class; having the stamens so united; also said of such stamens.
1828Webster, *Polyadelph.
1753Chambers Cycl. Supp., *Polyadelphia,..a class of plants, whose stamina are formed into three or more separate bodies.1770Ellis in Phil. Trans. LX. 521 In the class of Polyadelphia.1835Henslow Princ. Bot. §138. 149 The class Polyadelphia is exceedingly small (the genus Hypericum forming its most prominent feature).
1828Webster, *Polyadelphian.
1807J. E. Smith Phys. Bot. 450 Nor does it appear to be *polyadelphous at all.1860Oliver Less. Bot. (1873) 145 Hypericum is the only British genus with polyadelphous stamens.1878Masters Henfrey's Bot. 224.
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更新时间:2024/12/22 13:56:47