Native & Naturalized Plants of the Carolinas & Georgia

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421

Grass, Sedge, or Rush
Perennial

Non-native: temperate South America

Documented growing wild in GA - SC

Common in GA, rare in SC

Look for it in bottomland hardwood forests, coastal grasslands, marshes, vacant lots, disturbed areas, per Weakley's Flora

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Invasive?

This plant may be causing problems in natural areas outside its native range, according to authorities such as:

 

 

LEAVES:
Simple - lowermost reduced & scalelike, grading to 5dm long
Basal

RHIZOMES? STOLONS?
Rhizomes short, stout (plants in clumps)

FLOWER:
Summer/Fall
Bisexual
1 stamen
Superior ovary
Inflorescence is terminal

FRUIT:
Summer/Fall
Brown
Nutlet

 

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



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

WEAKLEY'S FLORA (10/20/20):
 Cyperus entrerianus   FAMILY Cyperaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cyperus entrerianus   FAMILY Cyperaceae

 

COMMON NAME:
 Deep-rooted Sedge, Woodrush Flatsedge

Click or hover over the thumbnails to see larger pictures.

image of Cyperus entrerianus, Deep-rooted Sedge, Woodrush Flatsedge

Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org     bug_1117064

Month Unknown        

Here seen competing with cogongrass.

image of Cyperus entrerianus, Deep-rooted Sedge, Woodrush Flatsedge

Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org     bug_1117097

Month Unknown        

Large more-or-less loose clumps, tenacious base deeply set in the substrate, per Cyperus entrerianus: A Little Known Aggressive Sedge in the Southeastern United States (Carter & Bryson, 1996).

image of Cyperus entrerianus, Deep-rooted Sedge, Woodrush Flatsedge

Richard Carter, Valdosta State University, Bugwood.org     bug_1451012

Month Unknown        

5-11 rays to 13cm long, each terminated by a dense ~ capitate spike, per Cyperus entrerianus: A Little Known Aggressive Sedge in the Southeastern United States (Carter & Bryson, 1996).