Schweinitz's flat-sedge
Cyperus schweinitzii Torr.
Images
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Morphology
- Culm
- Erect or ascending, 3-sided, usually rough near tip.
- Leaves
- Usually flat but edges occasionally rolled under, seldom reaching inflorescence, up to 1/3 inch wide; margins very rough.
- Inflorescence
- Cluster of 1-2 sessile spikes and 2-8 short spikes on ascending stalks 1 to 5 inches long; spikes oblong to egg-shaped, each with 5-18 spikelets; involucral bracts 3-6, strongly ascending, as long or much exceeding inflorescence.
- Spikelet
- Spikelets ascending, flattened, 8-18 flowered, 1.2 to 1 inch long; scales egg-shaped, firm, conspicuously nerved, pointed; stamens 3; style 3-cleft.
- Fruit
- Achene, ellipsoid, 3-sided, up to 1/10 inch long, brown or black.
Ecology
- Habitat
- Lowland prairies or sand hills; sandy soils.
- Distribution
- Throughout Kansas, but infrequently in southeast corner.
Practical Information
- Forage Value
- The Kiowa considered it good horse fodder.
Additional Notes
Comments
Named for Lewis David von Schweinitz, 1780-1834, the German-born Pennsylvania clergyman who discovered it.
Quick Facts
- Plant Type
- Sedge
- Family
- Cyperaceae - Sedge Family
- Life Span
- Perennial
- Height
- 8-32 inches
- Last Updated
- 2007-11-02
Flowering Period
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Blooms: June, July, August, September