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Lolium temulentum L.  
Family: Poaceae
Darnel ryegrass, more...Poison Darnel, darnel
[Bromus temulentus (L.) Bernh., moreFestuca temulenta (L.) J.P.Sm. & Columbus, Lolium arvense With., Lolium asperum Roth ex Kunth, Lolium maximum Willd., Lolium speciosum Stev. ex M. Bieb., Lolium temulentum f. arvense (With.) Junge, Lolium temulentum subsp. arvense (With.) Tzvelev, Lolium temulentum subsp. speciosum (Stev. ex M. Bieb.) Arcang., Lolium temulentum var. arvense (With.) Lilja, Lolium temulentum var. leptochaeton A. Braun, Lolium temulentum var. macrochaeton A. Braun]
Lolium temulentum image
  • Gleason & Cronquist
  • Resources
Vascular plants of NE US and adjacent Canada
Annual; culms solitary or few together, 4-10 dm, scaberulous; lvs usually glabrous beneath, scabrous above, 3-10 mm wide; spike 1-2(-4) dm with scabrous margins; spikelets 4-8-fld; glume firm, straight, strongly veined, equaling or surpassing the uppermost lemma, (12-)15-25 mm; lemmas obtuse, with an awn to 17 mm, or sometimes awnless, the lower lemmas in the spikelet 5-8.5 mm; paleas shorter than the lemmas, grain 2-3 times as long as thick; 2n=14. Probably native to the Mediterranean region, now widespread as a weed and occasionally found throughout most of our range.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
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Steve Hurst
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Jose Hernandez
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Jose Hernandez
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The National Science Foundation
This project made possible by National Science Foundation Awards 1601697, 1600981, 1601393, 1600976, 1601429, 1601101, 1601503
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