Stems are upright, round, rigid and unbranched. Flowers are in rounded clusters. Initially green, the flowers turn reddish-brown once mature. Reproduce by seed and rhizomes.
Moist fields, ditches, marshes, sloughs, stream and pond borders.
Seeds are eaten by song and gamebirds. Provides cover for waterfowl.
North American aboriginals used the stems for binding.
Excellent for reconstructed wetlands:
Removes Nitrogen (N2) and phosphorus (P) from water.