Native Plants
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Cyperus polystachyos
Cyperus polystachyos Rottb.
Manyspike Flatsedge, Bunchy Sedge
Cyperaceae (Sedge Family)
Synonym(s):
USDA Symbol: CYPO
USDA Native Status: L48 (N), HI (N), PR (N), VI (N)
From the Image Gallery
Plant Characteristics
Duration: PerennialHabit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Breeding System: Flowers Unisexual , Flowers Bisexual
Fruit Type: Achene
Size Notes: Up to about 28 inches tall, often shorter.
Flower: Stamens 2
Fruit: Light to dark brown, summer to early fall.
Bloom Information
Bloom Color: Yellow , BrownBloom Time: Apr , May , Jun , Jul
Bloom Notes: A single dense cluster of linear-ovate spikelets, light brown, greenish yellow. Fruit (achenes) are produced in the summer through early fall.
Distribution
USA: AL , AR , DE , FL , GA , HI , KY , LA , MA , MD , ME , MO , MS , NC , NJ , NY , OK , PA , SC , TN , TX , VA , WVNative Distribution: Texas, southeastern US and eastern seaboard to Maine.
Native Habitat: Shores, ditches, swales between dunes.
National Wetland Indicator Status
Region: | AGCP | AK | AW | CB | EMP | GP | HI | MW | NCNE | WMVE |
Status: | FACW | FACW | FACW | FACW | FACW | FACW | FACW |
Bibliography
Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. JohnstonSearch More Titles in Bibliography
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Cyperus polystachyos in USDA PlantsFNA: Find Cyperus polystachyos in the Flora of North America (if available)
Google: Search Google for Cyperus polystachyos
Metadata
Record Modified: 2023-01-04Research By: Joseph A. Marcus