Sterile brome

This is an annual or biennial grass ranging from about 20 to 90 centimeters in maximum height. It has a small leaf blade and itsinflorescence is spreading, with the lower parts drooping more than the upper. The spikelet is up to 3 centimeters 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.