Illinois Natural History Survey - University of Illinois

Carex annectens
Large yellow fox sedge, Sedge, Carex setacea var. ambigua, Yellow-fruit sedge, Yellowfruit sedge
Taxonomy

Synonyms: Carex annectens var. xanthocarpa, Carex annectens xanthocarpa, Carex brachyglossa

Subspecific taxa:

Classification:

  • Magnoliophyta
    • Liliopsida

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: No Information

Notes:This sedge is commonly mistaken for Carex vulpinoidea

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, head

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

Fruit: achene

Physiology: autotrophic

Reproduction:

Ecology & Natural History

Habitat: Species is distributed in open wet ground in valleys and swampy, limy meadows. Species is distributed on open wet ground in valleys, borders of sinkholes or other ponds; swampy, limy meadows. It is especially found about and in calcareous, spring-fed swamps.

ILPIN Notes: The perigynia of this species are yellow-brown, and prominently nerved on the convex (outer, lower, or dorsal) face. Versus carex vulpinoidea, this species has a narrower, less compound clustering of spikes. The culms are densely cespitose. Staminate flowers are at top of some-all spikes. This species is widely scattered. Species is scattered throughout Illinois. Perigynia dark brown, obscurely nerved on the convex (outer lower, or dorsal) face.

Functional Relationships:

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

Human Relationships:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

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

  • Entire State: 3
  • Chicago Area: 5

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