Distribution: A weedy plant from Europe, introduced in much of western United States.
Habitat: Waste ground and roadsides; a troublesome weed in wheat.
Flowers: June - July
Origin: Introduced from southern Europe
Conservation Status: Not of concern
Annuals with hollow culms 3-5 dm. tall.
Sheaths open, usually sparsely long-hairy; ligules 0.5 mm. long; blades flat, 2-3 mm. broad, usually long-hairy.
Inflorescence a cylindric spike, 4-10 cm. long, the spikelets single at the nodes, 2-5 flowered, flatwise to the rachis and sunken into its curvature; glumes 2, 10-14 mm. long, prominently 6- to 8-veined, each with a terminal awn 5-30 mm. long, the tip of the glume with a short lobe; lemmas unawned, or the upper awned like the glumes.