Cyperaceae (Sedge family)
Group: Monocot (Sedge)
Erect annual sedge, native of Asia commonly found in cultivated fields, lawns, and waste areas.
Leaves are linear, formed in groups of three (three-ranked), and dark green.
Stems are triangular in cross section, smooth, 4 to 5 inches tall, with 2 to 6 unequal leaflike bracts at the top, bearing the flat spikes.
Flowers are clusters of flat, spreading or flat spikes, greenish white on short to long stalks, with toothed outline. Fruits is an achene; seeds are dark brown and shiny.
Roots are fibrous, branched and aromatic.
Propagation is by seed.