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Cyperus echinatus   (L. ) Alph. Wood
[=Cyperus ovularis  (Michx. ) Torr.]
Woodson County, Kansas
Height: 10-36 inches
Family: Cyperaceae - Sedge Family
Flowering Period:   June, July, August, September
Culms: Sharply 3-sided, smooth.
Leaves: Blades shorter than to about equaling culm, 6 to 26 inches long, 1/8 to 2/5 inch wide.
Inflorescences: Spikes, 3-12, dense, globose, 1/5 to 4/5 inch diam., terminating unequal peduncles; subtending bracts 4-7, leaf-like, the longer much exceeding the inflorescence.
Spikelets: 60-110+, narrowly linear, 1/8 to 2/5 inch long, radiating in all directions from a central point, 2-4-flowered, spikelet bases overlapping, tips pointed; scales 3-5, yellowish brown, midrib green, 7-11-nerved, narrowly oblong-elliiptic ca. 1/6 inch; stamens 3; style 3-cleft.
Fruits: Achenes brown, narrowly oblong, .07 to .09 inch long, to .002 inch wide, bluntly 3-angled, shiny.
Habitat: Openings of dry, upland wooded areas, roadside ditches, dry, open disturbed areas, usually in rocky or sandy soils.
Distribution: South 1/2 of the east 1/3 of Kansas.
Origin: Native

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