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Smith, R.W.

Eupatorium rotundifolium

Eupatorium rotundifolium L.

Roundleaf Thoroughwort

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: EURO4

USDA Native Status: L48 (N)

From the Image Gallery

4 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 3 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: AL , AR , CT , DC , DE , FL , GA , IN , KY , LA , MA , ME , MS , NC , NH , NJ , NY , OH , PA , RI , SC , TN , TX , VA , WV

Value to Beneficial Insects

Special Value to Native Bees

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

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

From the National Organizations Directory

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

Crosby Arboretum - Picayune, MS

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Research Literature

Reslit 2581 - A biosystematic study of the Eupatorium rotundifolium complex (Compositae) (1970) J. D. Montgomery, D. E. Fairbrothers
Reslit 2582 - A cytotaxonomic study in the genus Eupatorium (1953) W. F. Grant
Reslit 2583 - Chromosome numbers in the compositae. I. Meiotic chromosome counts for 25 species of Texas Compositae including 6 new generic reports (1960) B. L. Turner, W. L. Ellison
Reslit 2586 - Molecular confirmation of the hybrid origin of Eupatorium godfreyanum (Asteraceae) (2006) K. C. Siripun, E. E. Schilling

This information was provided by the Florida WIldflower Foundation.
Search More Titles in Research Literature

Additional resources

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

Metadata

Record Modified: 2022-12-27
Research By:

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