Native Plants

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Smith, R.W.

Carex swanii

Carex swanii (Fernald) Mack.

Swan's Sedge

Cyperaceae (Sedge Family)

Synonym(s): Carex virescens var. swanii

USDA Symbol: CASW

USDA Native Status: L48 (N), CAN (N)

From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Leaf Pubescence: Pilose
Breeding System: Flowers Unisexual , Monoecious
Inflorescence: Spike
Fruit Type: Achene
Size Notes: Up to about 30 inches tall.

Bloom Information

Bloom Color: Green
Bloom Time: May , Jun , Jul
Bloom Notes: Perianth absent. Bloom time refers to fruiting period for Carex spp.

Distribution

USA: AR , CT , DC , DE , GA , IL , IN , KY , MA , MD , ME , MI , MO , MS , NC , NH , NJ , NY , OH , OK , PA , RI , SC , TN , VA , VT , WI , WV
Canada: NB , NS

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	UPL				FACU	UPL		FACU	FACU

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Mt. Cuba Center - Hockessin, DE

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Carex swanii in USDA Plants
FNA: Find Carex swanii in the Flora of North America (if available)
Google: Search Google for Carex swanii

Metadata

Record Modified: 2022-10-25
Research By: TWC Staff

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