Awnless barnyard grass

A tufted annual grass, up to 60 cm tall.

Stem: reddish purple or green, ascending to erect, without hairs.

Leaf: linear, 10−15 cm long, basal portion often tinged with red; ligule absent.

Inflorescence: simple, ascending racemes, green to purple, about 5−15 cm long; spikelets subsessile 1−3 mm long.