Life Cycle:
introduced annual, reproducing by seed
Culms:
upright, somewhat thick, smooth, flattened, often reddish-purple
Leaves:
blades smooth, conspicuous white mid-rib, margins sometimes wavy, rolled in bud; ligule absent; sheaths smooth, flattened, open, reddish purple
Seedheads:
panicle, straight or upward spreading branches, green to purple, spikelets compact on branches and bristled
