life
cycle - annual, reproducing by seed
culms -
prostrate to sometimes ascending, white center point growth
habit 1, growth
habit 2
leaves -
blades smooth, hairy margins, folded in bud; auricles absent;
ligule membranous, minutely toothed; sheaths open, flattened,
usually hair margins, usually white based leaves
seedheads - spike few to several, usually whorled on stem top,
spikelets tightly clustered, thick, two-rowed, flattened