Vascular Plants of North Carolina
Section: Common Name: Scientific Name: Family:
Account for Narrowleaf Bushy Thoroughwort - Eupatorium linearifolium   Walter
Members of Asteraceae:
Members of Eupatorium with account distribution info or public map:
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Section 6 » Family Asteraceae
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AuthorWalter
DistributionSandhills and the southern 2/3 of the Coastal Plain. A specimen from Buncombe County appears to be correctly identified (at WCUH). The gaps in the map will likely be filled in as botanists learn to recognize this species. This species is a recent split from the former E. cuneifolium, and this may be as common as, or more common than, the other species split off from it -- E. glaucescens.

Coastal Plain, southeastern VA to FL and LA.
AbundanceUncommon to locally common, certainly present in more counties than shown on the map. Abundance levels and comparisons between this species and E. glaucescens are still uncertain. As there are many specimens, the website editors suggest a State Rank of S4? for now.
HabitatXeric to dry Longleaf Pine-oak-Wiregrass uplands, pine-oak scrub, sandhills, dry savannas, roadsides through these habitats. Favors sandy soil habitats.
PhenologyFlowering and fruiting late July-October.
IdentificationFormerly lumped within E. cuneifolium (see E. glaucescens), but Narrowleaf Bushy Thoroughwort's leaves are half as wide (3-8 mm wide vs. 5-15 mm wide in that species) and are essentially without teeth (vs. toothed in the outer half in E. glaucescens).
Taxonomic CommentsFormerly part of E. cuneifolium. Some authors suggest that it may of hybrid derivation -- E. hyssopifolium x glaucescens.

Other Common Name(s)Narrowleaf Eupatorium
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B.A. SorrieFort Bragg, dry longleaf wiregrass upland, Aug 1993. CumberlandPhoto_natural
B.A. SorrieSandhills Game Land, dry longleaf wiregrass upland, in bud, early July 2009.
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