Eupatorium rotundifolium L.

Locations ofEupatorium rotundifolium L. in Virginia

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Botanical Name
Eupatorium rotundifolium L.
Common Name
Roundleaf Thoroughwort, Roundleaf Boneset
Eupatorium rotundifolium L. var. rotundifolium (see E. cordigerum and E. pubescens)
Flora of Virginia Name/Status
Eupatorium rotundifolium L.
See also map and comments under Eupatorium cordigerum, which has been considered a var. of E. rotundifolium by some authorities; possibly of hybrid origin, E. cordigerum differs from E. rotundifolium by its strongly cordate-clasping leaf bases, 25-30 teeth on each leaf margin, primary lateral veins arising 2-10 mm above the base, and inner phyllaries with longer, scarious tips.
Bogs, wet flatwoods, interdune swales, dry to boggy clearings, old fields, and roadsides. Common in the Coastal Plain; frequent in the outer Piedmont; infrequent to rare in the inner Piedmont and mountains.
Native Status

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