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单词 Tradescantia
释义 Tradescantia Bot.|trædɪˈskæntɪə|
[mod.L. (Ruppius 1718), f. the name of John Tradescant (the elder), a 17th c. naturalist + -ia1.]
An American genus of perennial herbs (N.O. Commelynaceæ) characterized by three-petalled blue, white, pink, or purple ephemeral flowers having six stamens clothed with jointed hairs; spiderwort.
[1629Parkinson Paradisus 152 Phalangium Ephemerum virginianum Joannis Tradescant... Tradescant his spider⁓wort.1718Ruppius Flora Jenensis 55 Tradescantia.]1766Lee Introd. Bot. App. (1788) 350/2 Spider-wort, Virginian, Tradescantia.1866Treas. Bot. 317 The filaments of the Tradescantias have jointed hairs, in which a granular movement is seen under the microscope.
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