straw-colored flatsedge

Cyperus strigosus

Like most sedges, this species follows the botanical adage 'sedges have edges'—its solid stems are sharply triangular in cross-section.

Scientific name
Cyperus strigosus
Taxonomy
Plantae › Tracheophyta › Liliopsida › Poales › Cyperaceae › Cyperus
IUCN Red List status
Least Concern
Population trend
stable
Biome
wetland
Habitat
Wet meadows, marshes, lake shores, ditches, and damp disturbed ground.
Diet
Autotrophic (photosynthesis utilizing sunlight, water, and soil nutrients).
Range
United States, Canada, Mexico
Size
20 to 100 cm (8 to 40 inches) tall
Lifespan
Perennial (typically 3-5+ years per clump)
Active
diurnal
Threats
Wetland destruction, habitat fragmentation, and displacement by aggressive invasive plant species.
Safe to approach?
This plant is entirely harmless and safe to touch. You can closely observe its unique triangular stems and golden seed heads. No special precautions are needed, but avoid trampling delicate wetland habitats.

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. It is common and sometimes weedy. It is a perennial sedge growing up to 70 centimeters tall. The inflorescence is a cluster of many linear-shaped spikelets up to...

Photo: Michael J. Papay, CC-BY, via iNaturalist

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