life
cycle - introduced annual, reproducing by seed
culms -
prostrate or ascending, not rooting at nodes growth
habit 1, growth
habit 2
leaves - blades flat, hairs at base, rolled in bud; auricles
absent; ligule membranous; sheaths open, flattened, smooth sometimes
with sparse hairs, often reddish
seedheads - whorled spikes, spikelets two-rowed