Illinois Natural History Survey - University of Illinois

Carex styloflexa
Sedge, Bent sedge
Taxonomy

Synonyms:

Subspecific taxa:

Classification:

  • Magnoliophyta

Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI

Species Distribution
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More about map & 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: FLNA;  USDA Plants;  BONAP;  BISON

Collections, Observations & Flowering by Month [?]

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

Collections & Observations by Decade [?]

Species Status

Status/Listing: Misidentified

Notes:According to Ebinger et al. 2010, "Native to the eastern United States, this woodland species is associated with sandy, acid soils of seeps and springs (Byson and Naczi 2002). Originally listed as endangered in Illinois this sedge was reported for Jackson, Pope, and Union counties (Sheviak 1981). It was removed from the list when the specimens were found to be misidentified (Illinois Endangered Species Protection Board 1999). FLNA did not record this species for Illinois."

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, fibrous

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

Inflorescence: spike

Flowers: unisexual, monoecious; incomplete, not petals, not sepals

Fruit: achene

Physiology: autotrophic; C3 C02 fixation

Reproduction: sexual

Ecology & Natural History

Habitat:

ILPIN Notes: Cespitose; terminal spike staminate; pistillate spikes loosely flowered; achene enclosed in a many-nerved perigynium. Northwestern range limit.

Functional Relationships:

  • Pollinators: wind
  • Dispersal: wind
  • Mycorrhizae:
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State:
  • Chicago Area:

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