Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Tall Thoroughwort at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (11/30/12):
Eupatorium altissimum
FAMILY
Asteraceae__
INCLUDED WITHIN
PLANTS NATIONAL DATABASE:
Eupatorium altissimum
FAMILY
Asteraceae__
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-009:
Eupatorium altissimum
FAMILY
Asteraceae__
COMMON NAME:
Tall Thoroughwort, Tall Boneset
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_eual3_001_lvd
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Richard and Teresa Ware rtw_e_altissimum_6
August
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Terry Holdsclaw tdh_e_altissimum_0114
September Iredell County NC
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Terry Holdsclaw tdh_e_altissimum_0120
September Iredell County NC
Leaves numerous, opposite, 2-6" long and 0.3-1.2" wide, per Wildflowers of Tennessee.
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Terry Holdsclaw tdh_e_altissimum_2
September Lincoln County NC
Stout perennial from 3 to 6' tall, with a mostly hairy stem, per Wildflowers of Tennessee.
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Terry Holdsclaw tdh_e_altissimum_2b
September Lincoln County NC
Lvs hairy, lance-elliptic, strongly 3-nerved to base, toothed above middle, per Wildflowers of Tennessee.
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Terry Holdsclaw tdh_e_altissimum_3
September Lincoln County NC
Disc flwrs white to cream-colored. Involucral bracts rounded, overlapping, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.