| 单词 | cockspur grass |
| 释义 | > as lemmascockspur grass cockspur grass n. any of several grasses having seed heads with spiny burrs or long awns; esp. Echinochloa crus-galli, native to tropical Asia and now widely naturalized and regarded as an invasive weed.Also called barnyard grass. ΚΠ 1818 W. P. C. Barton Compendium Floræ Philadelphicæ I. 38 Cockspur-grass. Hedge-hog-grass. 1939 W. L. McAtee Wildfowl Food Plants ii. 30 The prickly character of the seed covering is referred to in the name cockspur grass. 2013 Aspects Appl. Biol. 118 312 In 2012, I have seen three bird seed areas swamped by an alien bristle grass (Setaria pumila) and two contaminated by cockspur grass (Echinochloa crus-galli). < as lemmas |
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