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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Carex intumescens

Carex intumescens Rudge

Greater Bladder Sedge

Cyperaceae (Sedge Family)

Synonym(s): Carex intumescens var. fernaldii

USDA Symbol: CAIN12

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

 

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Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Venation: Parallel
Fruit Type: Achene
Size Notes: Up to about 4-1/2 feet tall, often shorter.
Leaf: Dark Green

Bloom Information

Bloom Color: White , Green , Brown
Bloom Time: Apr , May , Jun , Jul
Bloom Notes: Flowers inconspicuous. Bloom time refers to fruiting period.

Distribution

USA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NH , NJ , NY , OH , OK , PA , RI , SC , SD , TN , TX , VA , VT , WI , WV , WY
Canada: NB , NL , NS , ON , PE , QC
Native Habitat: Swamp/Marsh

Growing Conditions

Water Use: High
Light Requirement: Part Shade , Shade
Soil Moisture: Moist
CaCO3 Tolerance: Low

Mr. Smarty Plants says

Native plants to stop pond bank erosion
June 04, 2008
I recently purchased a home with a small pond in which a nearby stream daylights. The former owner placed large field stone around the pond and the small stream; however, the area around the pond and...
view the full question and answer

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FACW FACW OBL FACW FACW OBL
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.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 26 - Minnesota Wildflowers: a field guide to the flora of Minnesota (2009)
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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

Metadata

Record Modified: 2022-10-24
Research By: TWC Staff

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