Cyperus strigosus is a species of sedge known by the common names false nutsedge and straw-colored flatsedge. It is native to the United States, Cuba and Canada, where it grows in wet areas in many habitat types, including disturbed and cultivated areas such as roadsides and crop fields.

Several to numerous clusters ½ to 2 inches long at the tip of the stem, each cluster oval to cylindric with 12 to 50 spikelets (flower clusters), the spikelets arranged bottle-brush fashion on all sides of the cluster stalk, widely spreading with those at the tip erect to ascending.

Straw-colored flatsedge is found on pond shores, river sandbars and in ditches, often on sandy soil. It is a common and distinctive species. Anthropogenic (man-made or disturbed habitats), shores of rivers or lakes. Non-native: introduced (intentionally or unintentionally); has …

Cyperus strigosus Cyperaceae (Sedge family) Description: This perennial flatsedge is ½–3' tall and unbranched. The culm is 3-angled, glabrous, and rather stout. A few leaves develop along the lower half of the culm; their blades are 4-18"' long and 2 …

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Straw-colored flatsedge is found in a variety of sunny wetlands, particularly on soils that are seasonally wet but become dry in the summer. It is common in central to eastern North America and uncommon and scattered from the West Coast to the Interior West.

Cyperus strigosus is a species of sedge known by the common names false nutsedge and straw-colored flatsedge. It is native to the United States, Cuba, and Canada, where it grows in wet areas in many habitat types, including disturbed and cultivated areas such as roadsides and crop fields.

Cyperus strigosus has trigonous (three sided) achenes and three stigmas, unlike C. polystachyos; C. strigosus has flattened spikelets, unlike the subcylindric ones of C. odoratus; C. strigosus has floral scales usually 3 mm or more, unlike the smaller (1.2–1.5 mm) ones of C. erythrorhizos; C. strigosus has deciduous floral scales and a ...

C. strigosus is a perennial graminoid of the Cyperaceae family native to North America and Canada. [1] C. strigosus can be found in all of the United States excluding North Dakota, Montana, Wyoming, and Colorado, as well as in the Quebec, Ontario, Manitoba, and Saskatchewan regions of Canada. [1]

Cyperus strigosus is usually among the more common Cyperus species throughout its range. Small individuals flowering the first year may be difficult to distinguish from C. polystachyos, C. odoratus, C. erythrorhizos, and C. esculentus, which may be sympatric.