Eupatorium ageratifolium var. purpureum J.M.Coult.
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Authority
Lamont, E. E. 1995. Taxonomy of
section (Asteraceae). Mem. New York Bot. Gard. 72: 1-68. -
Family
Asteraceae
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Scientific Name
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Description
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Variety Description - Leaves usually glabrous on abaxial surface or sometimes sparsely to densely pubescent with fine simple unicellular hairs along the major veins; petioles glabrous. East of the Mississippi River, abaxial leaf surfaces tend to be glabrous and rarely densely pubescent along the major veins. West of the Mississippi River (and in the high xeric sand-hills of South Carolina), abaxial leaf surfaces are commonly densely pubescent along the major veins.
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Distribution
Habitat and distribution. Predominantly in drier habitats than other species (except E. steelei) of section Verticillata. Occurring naturally in rich, open, deciduous woodlands, woodland borders, and thickets; usually in wooded ravines and near the bases of slopes bordering wet grounds, and in at least partial shade or commonly in deep shade. Frequent as a weed along well-drained roadsides and slopes. From southern New Hampshire and southeast Minnesota to Iowa, south to Virginia, North Carolina
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