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.

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eupatorium sessilifolium var. brittonianum   FAMILY Asteraceae__

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21 (2006)

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, 1938)

Eupatorium sessilifolium

COMMON NAME:
Britton's Upland Boneset, Britton's Eupatorium

         To see larger pictures, click or hover over the thumbnails.

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.

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Eupatorium sessilifolium var. brittonianum   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Eupatorium sessilifolium var. brittonianum   FAMILY Asteraceae__

INCLUDED WITHIN Flora of North America north of Mexico, vol. 19-20-21
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, 1938)
Eupatorium sessilifolium