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Purple Nutsedge
Cyperus rotundus |
 Rapidly-spreading,
perennial with three-ranked basal leaves. Leaves flat or slightly corrugated,
usually shorter than flowering stem, abruptly tapering at tip. Seedhead
purple to reddish brown, formed at end of triangular stem. Tubers, oblong,
covered with hairs, and found in chains connected by brown, wiry rhizomes.
Tubers bitter to taste. Reproduces primarily by tubers. Found in the southern
states, north to Kentucky and West Virginia, west to Central Texas and
in southern California. Also occurs in the West Indies, Mexico, Central
and South America, Europe, Africa, Asia and Hawaii. |