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Morphology
- Culm
- Slender, wiry, 3-sided, glabrous.
- Leaves
- Blades folded together lengthwise or flat, 2 to 18 inches long, 1/25 to 1/7 inch wide, shorter than culm, margins rough, sometimes unrolled.
- Inflorescence
- Single head-like spike, sessile, dense, hemispherical to nearly spherical, 2/5 to 1 inch diam., rarely with 1 or 2 additional rays; subtending involucral bracts 2-4, spreading or deflexed
- Spikelet
- 10-70, linear to narrowly elliptic, 1/8 to 4/5 inch long, radiate, densely congested, bases overlapping, tips pointed, 3-25-flowered; scales straw-colored to light brown or nearly white, midrib green, 7-13-nerved, nerves conspicuous, oblong, 1/12 to 1/7 inch long, midrib extending past body of scale as short point; stamens 3; style 3-cleft.
- Fruit
- Achene, dark brown or black, narrowly oblong, .09 to .09 inch, sharply 3-angled, shiny.
Ecology
- Habitat
- Well-drained, open roadsides, fields, and prairies.
- Distribution
- Statewide
Additional Notes
Comments
Tufted. From tuberous-thickened rhizomes.
Synonyms
Alternative scientific names that have been used for this plant.
Scientific Name: Cyperus filiculmis
Full Citation: Cyperus filiculmis Vahl
Quick Facts
- Plant Type
- Sedge
- Family
- Cyperaceae - Sedge Family
- Life Span
- Perennial
- Height
- 4-28 inches
- Origin
- Native
- Last Updated
- 2022-03-03
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: May, June, July, August, September, October