OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Cyperus strigosus   FAMILY Cyperaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cyperus strigosus   FAMILY Cyperaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-029:
Cyperus strigosus   FAMILY Cyperaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus praelongatus

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus stenolepis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus strigosus

 

COMMON NAME:
False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge


         To see larger pictures, click or hover over the thumbnails.

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_cyst_001_lvd

        

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_cyst_007_lvd

        

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

JK Marlow    jkm190604_8938

June    Greenville County    SC

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

JK Marlow    jkm190604_8940

June    Greenville County    SC

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

Gill Newberry    gn08_c_strigosus_plants

August        

Leaves predominantly basal, not 3-ranked, per Weakley's Flora.

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

Gill Newberry    gn08_c_strigosus_spikes

August        

Spikelets pinnate, linear, usually many-flowered, 5-25mm long, 1.5mm broad, per Vascular Flora of the Carolinas.

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

Gill Newberry    gn08_carex_strigosus_inf

August        

Spikes 5-10 or more, congested or open, narrowly to broadly cylindric, per Vascular Flora of the Carolinas.

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

JK Marlow    jkm190802_0497

August    Greenville County    SC

Leafy bracts subtend the inflorescence, per Weakley's Flora.

image of Cyperus strigosus, False Nutsedge, Straw Flatsedge, Straw-colored Flatsedge

JK Marlow    jkm190802_0499

August    Greenville County    SC

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Cyperus strigosus   FAMILY Cyperaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cyperus strigosus   FAMILY Cyperaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 030-01-029:
Cyperus strigosus   FAMILY Cyperaceae

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus praelongatus

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus stenolepis

INCLUDING Manual of the Southeastern Flora (Small, 1933, 1938)
Cyperus strigosus

 

Find by SCIENTIFIC NAME:

425

Grass, Sedge, or Rush
Perennial

Native to the Carolinas & Georgia

Common

Habitat: marshes, ditches, wet flatwoods, wet disturbed areas, per Weakley's Flora

map
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Simple
Mostly basal

RHIZOMES? STOLONS?
Rhizomes short, stout

FLOWER:
Summer/Fall
Bisexual
Superior ovary

Spikes in congested umbellate clusters

FRUIT:
Summer/Fall
Reddish
Nutlet

 

TO LEARN MORE about this plant, look it up in a good book!



 


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