Panicum alatum

Plant: Annual grass 20-40 cm; sheaths and leaf blades pappilose-hispid 4-8 cm long, 3-7 mm wide; panicle open 1/3 to 1/4 the length of the culm; spikelets 3-4 mm long; first glume about 1/2 length of second glume; fruit smooth and shiny; fertile lemma with "wings" at base.