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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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Cyclachaena xanthiifolia

Cyclachaena xanthiifolia (Nutt.) Fresen.

Carelessweed, False Ragweed, Giant Sumpweed, Marsh Elder

Asteraceae (Aster Family)

Synonym(s): Cyclachaena xanthifolia, Iva xanthifolia

USDA Symbol: CYXA2

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

 

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Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Up to about 6 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White
Bloom Time: Jul , Aug , Sep , Oct

Distribution

USA: AZ , CO , CT , DC , IA , ID , IL , IN , KS , KY , MA , ME , MI , MN , MO , MT , ND , NE , NH , NJ , NM , NV , NY , OH , OK , OR , PA , RI , SC , SD , TX , UT , VA , VT , WA , WI , WY

National Wetland Indicator Status

Region:AGCPAKAWCBEMPGPHIMWNCNEWMVE
Status: FAC FAC FAC FAC FAC FAC FAC
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 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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

Metadata

Record Modified: 2019-02-26
Research By: CBR

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