Bromus sterilis

Bromus sterilis is an annual or biennial species of bromegrass known as barren brome, poverty brome, and sterile brome. This is an annual or biennial grass ranging from about 20 to 90 centimeters in maximum height. Leaf blades are 2–6 mm wide and 6–25 cm long with short, soft hair. The inflorescence is a spreading panicle with the lower parts drooping more than the upper. The spikelet is up to 6 cm long. The leaves are rough and hairy, green to purplish in colour. The ligule is pointed, toothed, 2 to 4 mm long. The panicles are loose, open and nodding. The spikelets are 4 to 6 cm long, with awns, producing 4 to 10 flowers.