Carex davisii
Davis's sedge, Awned graceful sedge Taxonomy
Synonyms: Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Images
   
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Species Distribution
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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
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Species Status
Status/Listing: No Information Notes: 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; 3 merous; incomplete, not petals, not sepals; hypogynous ovary position Fruit: achene Physiology: autotrophic Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Species is found in association with Acer saccharum, Fagus grandifolia, Tilia americana, and Ulmus americana; it is distributed in open fields and valleys, and on wooded rich slopes in ravines or valleys. ILPIN Notes: Terminal spike gynaecandrous, laterals (2-3) pistillate. Species is found throughout Illinois. This species is characterized by: 1) dark rootstocks, pubescent leaf sheaths and lower surfaces of leaves; 2) narrowly cylindric pistillate spikes; 3) triangular achene with concave sides, blunt angles that are loosely enveloped by the perigynium, substipitate and apiculate. Early on, pistillate spikes are erect, but may become nodding-spreading. Early on, the perigynia are pale green, but become brown to yellow-brown. Species is occasional to common. Functional Relationships:
Human Relationships:
Wildlife and Livestock Information:
Coefficient of Conservatism (C-value) [?] :
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