Dig deeper at SERNEC, a consortium of southeastern herbaria.
Closely related to var. sessilifolium, differing mainly in broader, ovate or ovate-lanceolate leaves (vs. lanceolate). Many authors do not recognize Britton's Upland Boneset at any level. Read more at Vascular Plants of North Carolina.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales
WEAKLEY'S FLORA (10/20/20):
Eupatorium sessilifolium var. brittonianum
FAMILY
Asteraceae__
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Eupatorium sessilifolium var. brittonianum
FAMILY
Asteraceae__
INCLUDED WITHIN
Flora of North America
Eupatorium sessilifolium
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-34-017a?:
Eupatorium sessilifolium var. sessilifolium
FAMILY
Asteraceae__
INCLUDED WITHIN
Manual of the Southeastern Flora (Small, 1933)
Eupatorium sessilifolium
COMMON NAME:
Britton's Upland Boneset, Britton's Eupatorium
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)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_euse3_001_lvd
)
Patrick D. McMillan pdmesessilifoliumbri_wm1
Month Unknown Pickens County SC
Jocassee Gorges
Heads small, densely clustered in a flat-topped corymb, per Weakley's Flora.
)
Patrick D. McMillan pdmesessilifoliumbri_wm2
Month Unknown Pickens County SC
Jocassee Gorges
Leaves broadest near the base, subcoriaceoous, averaging 3x long as wide, per Weakley's Flora.