Native Plants
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Cyperus schweinitzii
Cyperus schweinitzii Torr.
Schweinitz's Flatsedge
Cyperaceae (Sedge Family)
Synonym(s): Cyperus schweinitzii var. uberior, Cyperus ×mesochoreus, Mariscus schweinitzii
USDA Symbol: CYSC3
USDA Native Status: L48 (N), CAN (N)
Unusual dry-land Cyperus. Produces a tall and seemingly branched seed head resembling spines of an open umbrella.
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Plant Characteristics
Duration: PerennialHabit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Inflorescence: Spikelet
Fruit Type: Achene
Size Notes: Up to about 3 feet tall.
Fruit: Dark brown
Bloom Information
Bloom Color: White , GreenBloom Time: Apr , May , Jun , Jul
Bloom Notes: Perianth absent. Bloom time denotes fruiting period for Cyperus spp.
Distribution
USA: AR , AZ , CO , IA , ID , IL , IN , KS , KY , MA , MI , MN , MO , MT , ND , NE , NJ , NM , NY , OH , OK , OR , PA , SD , TX , UT , WA , WI , WYCanada: ON
Native Habitat: Prairie/Meadow/Field,Lakeshores
Growing Conditions
Light Requirement: SunSoil Moisture: Dry
Soil Description: Sand
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | UPL | FAC | FACU | FACU | FACU | FACU | FAC |
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Cyperus schweinitzii in USDA PlantsFNA: Find Cyperus schweinitzii in the Flora of North America (if available)
Google: Search Google for Cyperus schweinitzii
Metadata
Record Modified: 2023-02-03Research By: TWC Staff