Illinois Natural History Survey - University of Illinois

Carex emoryi
Riverbank sedge
Taxonomy

Synonyms: Emory sedge

Subspecific taxa:

Classification:

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 [?]

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F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
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Collections & Observations by Decade [?]

Species Status

Status/Listing: No Information

Notes:

Origin: Native

Species Description

General: Monocot, perennial

Roots: adventitious, rhizomes

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

Inflorescence: spike

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

Fruit: achene

Physiology: autotrophic

Reproduction: sexual, vegetative

Ecology & Natural History

Habitat: Species is distributed in ditches; wet river bottom prairies. In Missouri, conspicuous along alluvial banks and among limestone boulders at base of bluffs in Ozarks; large colonies, masses of long, narrow, dark-green leaves.

ILPIN Notes: Species is scattered in the northern 1/3 of Ill., and in Fayette co. The plants are stout, with numerous, dark-green leaves, the old ones persistent. The pistillate spikes are sessile to short- pedunculate, erect. The scales are obtuse to long-acuminate, shorter than or slightly exceeding the perigynia, with red-brown margins. The perigynia are compressed-elliptic. Terminal spike staminate. Lateral spikes 4-6, upper 1-2 staminate, the lower pistillate or androgynous.

Functional Relationships:

  • Pollinators:
  • Dispersal:
  • Mycorrhizae: no
  • N2 fixation:

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 6
  • Chicago Area: 6

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