Distribution: Introduced world-wide, but fails to persist more that a few seasons on its own.
Habitat: Cultivated in fields.
Flowers: April - June
Conservation Status: Not of concern
Plants annuals or winter annuals, up to 1.5 m. tall, the culms hollow.
Sheaths open; auricles prominent; ligules 1 mm. long; blades 5-20 mm. broad.
Inflorescence a spike 5-12 cm. long, awned or awnless; spikelets 2- to 5-flowered, borne in a terminal spike flatwise to the continuous rachis, 1 per node, sessile; glumes firm, keeled, strongly 3-nerved; lemmas broad, lopsidedly keeled; stamens 3.