Spermatophytes (seed plants): Angiosperms (flowering plants): Monocots: Commelinids: Poales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Cyperus entrerianus
FAMILY
Cyperaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus entrerianus
FAMILY
Cyperaceae
COMMON NAME:
Deep-rooted Sedge, Woodrush Flatsedge
To see larger pictures, click or hover over the thumbnails.
)
Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org bug_1117064
Month Unknown
Here seen competing with cogongrass.
)
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).
)
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).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Cyperus entrerianus
FAMILY
Cyperaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cyperus entrerianus
FAMILY
Cyperaceae
421
Grass, Sedge, or Rush
Perennial
Habitat: Bottomland hardwood forests, coastal grasslands, marshes, vacant lots, disturbed areas, per Weakley's Flora
Non-native: temperate South America
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.)
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!