Illinois Natural History Survey - University of Illinois

Cyperus squarrosus
Bearded flat sedge
Taxonomy

Synonyms: Cyperus aristatus, Cyperus inflexus

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

Species Distribution
If map does not appear refresh browser Refresh
Click map to view & download detailed occurrence records

County Map Legend
Absent:
Not known from county
Medium confidence:
Medium or unknown confidence;
often old records or unverifiable observations
Medium-high confidence:
Often observations by expert botanists
High confidence:
Often vouchered herbarium records
Planted / introduced:
Native species introduced outside historic range,
or only in planted locations within county (e.g., restorations)
Historic / extirpated:
Only historic records for the species; likely extirpated
(Note that this category is not yet functional)

North American distribution maps for this species: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Monocot, annual

Roots: adventitious, fibrous

Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped leaf shape

Inflorescence: spike, head

Flowers: perfect; 3 merous; incomplete, not petals, not sepals; hypogynous ovary position

Fruit: achene

Physiology: autotrophic; C4 C02 fixation

Ecology & Natural History

Habitat: Species is distributed on moist soil along rivers, around lakes, or in fields; also in moist depressions atop exposed sandstone bluffs; in moist sand, mud, and gravel bars along streams, wet depressions in rocky glades and in prairies, on dry openings of ridged upland slopes and Shawneetown Ridge.

ILPIN Notes: Baskin, J. M., and C. C. Baskin. 1981. Photosynthetic pathways indicated by leaf anatomy in fourteen summer annuals of cedar glades. Photosynthetica 15: 205-209. Species is found throughout Illinois. A good field character for this species is the odor of slippery elm from bruised plants. The spikelet outline is very serrated. This is due to the wide divergence of scale tips from the spikelet rachis.

Functional Relationships:

Human Relationships:

  • Edibility [?] : yes
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 2
  • Chicago Area: 4

Post a Comment or Question About this Plant
Name

Email address (required)

Comment? Question? 300 word limit (required)




Enter the text code above (required)

Note: All submissions are moderated and only some are posted. Posted comments may be edited for length. An email address will not be posted, but it is required for communication with the site moderator. Comments focused outside of Illinois and neighboring states may be posted, but more attention will be given to Illinois centered information. Thanks for your interest.