Annual Sedge

From Turf Wiki

• Scientific Name: Cyperus compressus L.

Annual Sedge seed head is flat, greenish with spikelets at end of stem

Annual Sedge forms clumps in turfgrass.

• Common Names: Annual Sedge, Poorland flatsedge, Water sedge, Watergrass

• Climatic Zone: Temperate, Subtropical

• Geographic Distribution: North America, South America

• Life Cycle: Annual to Perennial

• Photosynthetic Apparatus: C4

• Major Identifying Characteristic: Triangular stem in cross section with leaves in 3 vertical rows. Roots reddish, fibrous, and extensively branching. Lacks rhizomes. Leaf blades 3-ranked, elongated and narrow (0.1 inch wide) and usually equal to or shorter than stem. Seed head is flat, greenish with spikelets at end of stem.