Native & Naturalized Plants of the Carolinas & Georgia


3471

Forb
Perennial

Native to the Carolinas & Georgia
Documented growing wild in GA NC -

Rare in GA, NC, SC

Look for it in woodlands, old fields, woodland borders, and openings over mafic rocks (such as diabase) or calcareous rocks (such as limestone and calcareous sandstone), per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Simple
Opposite
Petioles obscured by decurrent blade

FLOWER:
Summer/Fall
Disc: Cream
Rays: Absent
Bisexual
Inferior ovary
Flowers in flat-topped corymbs

FRUIT:
Summer/Fall
Lustrous black
Achene

 

TO LEARN MORE about this plant, look it up in a good book!



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Campanulids: Asterales

WEAKLEY'S FLORA (11/30/12):
Eupatorium altissimum   FAMILY Asteraceae__

LESS THAN PLANTS NATIONAL DATABASE:
Eupatorium altissimum   FAMILY Asteraceae__

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 179-34-009:
Eupatorium altissimum   FAMILY Asteraceae__

 

COMMON NAME:
Tall Thoroughwort, Tall Boneset


Click or hover over the thumbnails to see larger pictures.

image of Eupatorium altissimum

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_eual3_001_lvd

        

image of Eupatorium altissimum

Richard and Teresa Ware    rtw_e_altissimum_6

August        

image of Eupatorium altissimum

Terry Holdsclaw    tdh_e_altissimum_0114

September    Iredell County    NC

image of Eupatorium altissimum

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.

image of Eupatorium altissimum

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.

image of Eupatorium altissimum

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.

image of Eupatorium altissimum

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.