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Native Plant Database

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Eriophorum angustifolium (Tall cottongrass)
Bransford, W.D. and Dolphia

Eriophorum angustifolium

Eriophorum angustifolium Honck.

Tall cottongrass

Cyperaceae (Sedge Family)

Synonym(s):

USDA Symbol: eran6

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

Extensive patches of erect stems with grass-like leaves, topped by 2-8 white, cottony heads in a cluster.

The name comes from the Greek erion (wool) and phoros (bearing). The slender bristles of cotton are actually modified sepals and petals of minute flowers. There are several similar species.

 

Plant Characteristics

Duration: Perennial
Habit: Grass/Grass-like
Root Type: Fibrous
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Leaf Venation: Parallel
Inflorescence: Spikelet
Leaf: Green
Flower:
Fruit:
Size Class: 1-3 ft.

Bloom Information

Bloom Color: Not Applicable
Bloom Notes: Perianth absent.

Distribution

USA: AK , CO , IA , ID , IL , IN , ME , MI , MN , MT , NC , ND , NE , NH , NM , NY , OR , SD , TN , VT , WA , WI , WY
Canada: NB , NS , PE
Native Distribution: Throughout the Northern Hemisphere, south to central Oregon, Idaho, northern New Mexico, Great Lakes region, New York, and northern New England; also recorded in North Carolina and Tennessee.
Native Habitat: Cold swamps and bogs.

Growing Conditions

Water Use: High
Light Requirement: Sun
Soil Moisture: Wet
CaCO3 Tolerance: Low

National Wetland Indicator Status

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

Additional resources

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

Metadata

Record Last Modified: 2007-01-01
Research By: TWC Staff

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