单词 | blueweed |
释义 | > as lemmasblueweed blueweed n. †(a) indigo, Indigofera tinctoria, a blue dye-plant (obsolete. rare); (b) North American any of several plants with blue flowers or bluish leaves; spec. viper's bugloss, Echium vulgare, and (more fully Texas blueweed) a sunflower, Helianthus ciliaris. ΚΠ 1728 R. Bradley Dict. Botanicum Indigo, is called Glastum Indicum, and Anil and Nill, in English, Indian Woad, and Blue Weed. 1827 T. Nuttall Introd. Systematic & Physiol. Bot. xv The Echium, or Viper's-bugloss..known, at least, in Virginia and Pennsylvania, by the name of Blueweed. 1890 Arizona Agric. Exper. Station Bull. 1 30 Blue weed.—Helianthus ciliaris. 1931 Morning Herald (Hagerstown, Maryland) 9 Mar. 8/2 Wild carrots, blueweed and others, send out a small rosette of leaves the first year. 1975 A. S. Crafts Mod. Weed Control xv. 281 At medium dosage [with 2,4-D]..Texas blueweed may be inhibited. 2007 N. L. Jennings Priarie Beauty 69 Blueweed is also known as Viper's Bugloss and Blue Devil. At one time the plant was believed to be useful in treating snakebite. < as lemmas |
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