释义 |
knobweed|ˈnɒbwiːd| [f. knob n. + weed n.] a. = knapweed; also applied to other British species of Centaurea. b. Name for Collinsonia canadensis, a N. American labiate plant.
1785Martyn Rousseau's Bot. xxvi. (1794) 401 Common or Black Knapweed, perhaps more properly Knobweed. 1879Britten & Holland Plant-n., Knobweed (in allusion to the hard, round flower-heads), Centaurea nigra, C. Cyanus, and C. Scabiosa. 1888Syd. Soc. Lex., Knobweed, the Collinsonia canadensis. |