| 单词 | iron-grass | 
| 释义 | > as lemmasiron-grass   iron-grass  n. 		 †(a) a plant,  Spermacoce tenuior (family  Rubiaceae), native to the Caribbean and southern United States; cf. buttonweed n. at button n. Compounds 2b   (obsolete);		 (b) any of various grasses or grass-like plants with tough, wiry stems and leaves; esp. (English regional) knot grass,  Polygonum aviculare, and (Australian) any of various plants of the genus  Lomandra (family  Asparagaceae). ΚΠ 1756    P. Browne Civil & Nat. Hist. Jamaica  ii. ii. 141  				Spermacoce 5. Scandens... The iron-grass, or climbing Spermacoce. 1794    W. Pitt Gen. View Agric. Stafford 27  				Hard grass, iron grass, carnation grass (carex's): these, upon draining and top-dressing their native bogs, generally give way to the more valuable grasses. 1814    J. Lunan Hortus Jamaicensis I. 128  				This plant [sc. Spermacoce tenuior] has been called iron grass, and is found according to Browne only in the woods, where it grows, sometimes upright and sometimes as a climber. 1862    South Australian Advertiser 		(Adelaide)	 24 Apr. 2/3  				Barren-looking table land covered with coarse grass, among which is a great quantity of iron-grass, which no animal cares to eat. 1920    W. E. Brenchley Weeds of Farm Land xiii. 207  				Aira caespitosa..hassock, huff-caps, iron grass, sniddle, sniggle-grass [etc.]. 1964    E. Salisbury Weeds & Aliens 		(ed. 2)	 v. 100  				I found Chickweed on 26 per cent of the sites and Scentless Mayweed, Greater Plantain, Irongrass and Shepherd's Purse—on 15 to 16 per cent. 2002    Jrnl. Herpetol. 36 110/2  				Native plants [near Burra, S. Australia] include species of irongrass (Lomandra). < as lemmas  | 
	
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