单词 | tradescantia |
释义 | Tradescantian. An American genus of perennial herbaceous plants (family Commelinaceae) characterized by three-petalled blue, white, pink, or purple ephemeral flowers with six yellow anthers; spiderwort; (also tradescantia) a plant of (or formerly of) this genus, esp. one grown as an ornamental. Valid publication of the genus name: Linnaeus Systema Naturæ (ed. 10, 1758) I. 288. ΘΚΠ the world > plants > particular plants > plants and herbs > according to family > Commelinaceae > [noun] > spiderwort day-flower1601 spiderwort1629 Tradescantia1757 oyster plant1811 1629 J. Parkinson Paradisi in Sole 152 Phalangium Ephemerum virginianum Joannis Tradescant... Tradescant his spider-wort.] 1757 P. Miller Gardeners Kalendar (ed. 11) 255 (list) Blue branching Starwort from Africa, Erhetia, Robinia, Tradescantia, Commelina, Wormwood tree, [etc.]. 1836 C. S. Rafinesque New Flora & Bot. N. Amer. i. 28 The Prairie Regions of the West, with few trees, but a profusion of fine plants, Dodecatheons, Tradescantias, Helichroas, Gentians, Radiate flowers, &c. 1866 J. Lindley & T. Moore Treasury Bot. I. 317 The filaments of the Tradescantias have jointed hairs, in which a granular movement is seen under the microscope. 1936 W. Stiles Introd. Princ. Plant Physiol. xx. 433 The internal streaming movement of protoplasm is very marked in certain cells, such as..the staminal hairs of Tradescantia. 1958 Times 29 Nov. 9/5 We have the pileas, the tradescantias, and..all the various forms of Begonia rex. 2003 Horticulture Mar. 55/1 The flower borders surrounding the pools were planted with drifts of..azaleas on a ground of jasmine, tradescantia, Carolina jessamine, [etc.]. This entry has been updated (OED Third Edition, December 2015; most recently modified version published online March 2022). < n.1757 |
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