Vascular Plants of North Carolina
Section: Common Name: Scientific Name: Family:
Account for Downy Sweet Joe-pye-weed - Eutrochium purpureum var. carolinianum   Sorrie
Members of Asteraceae:
Members of Eutrochium with account distribution info or public map:
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Section 6 » Order Asterales » Family Asteraceae
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AuthorSorrie
DistributionSouthern Piedmont only.

Endemic to Piedmont of NC to east-central GA.
AbundanceUncommon. There are one large population known: a dry-mesic slope at Diggs Tract, Richmond County; about 200 plants in July 2024, the site burned that spring.
HabitatDry to mesic hardwoods, pine-oak-hickory woodlands, moist slopes near streams, often in mafic soils.
PhenologyFlowering and fruiting early July-mid September.
IdentificationThis recently described variety is not well-known by botanists. It closely resembles var. purpureum, but differs in its densely soft-hairy leaf undersides, leaves generally broader and more ovate-shaped, and leaf teeth short and blunt (vs. long and sharp).
Taxonomic CommentsSee also E. purpureum var. purpureum.

Other Common Name(s)Carolina Joe-pye-weed.
State Rank[S2]
Global RankG5TNR
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US Status
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Becky DillDry-mesic hardwood slope burned this spring. Underside of leaf showing dense pubescence. 18 July 2024. RichmondPhoto_natural
B.A. SorrieRoadside bank, NC 742 SE of Lane Creek, late June 2011. This is var. carolinianum. AnsonPhoto_natural
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