Native & Naturalized Plants of the Carolinas & Georgia


556

Forb
Perennial

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

Common (uncommon to rare in Coastal Plain)

Look for it in moist forests, such as cove forests, per Weakley's Flora

map
To see a detailed map, click here

 

full sun partial shade shade ...Moist ...Variable

LEAVES:
Simple
Opposite
Petioles 1.5-6cm long

FLOWER:
Summer/Fall
Disc: White
Rays: Absent
Bisexual
Inferior ovary

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):
Ageratina altissima var. altissima   FAMILY Asteraceae__

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Ageratina altissima var. altissima   FAMILY Asteraceae__

LESS THAN VASCULAR FLORA OF THE CAROLINAS (1968) 179-34-021:
Eupatorium rugosum   FAMILY Asteraceae__

 

COMMON NAME:
Common White Snakeroot, Common Milk-poison


Click or hover over the thumbnails to see larger pictures.

image of Ageratina altissima var. altissima

JK Marlow    jkm180821_4015

August    Jackson County    NC

Whiteside Mountain

image of Ageratina altissima var. altissima

JK Marlow    jkm180821_4016

August    Jackson County    NC

Whiteside Mountain

image of Ageratina altissima var. altissima

JK Marlow    jkm180821_4018

August    Jackson County    NC

Whiteside Mountain

image of Ageratina altissima var. altissima

Keith Bradley    kab_a_altissima_2881

August    Macon County    NC

Nantahala National Forest

image of Ageratina altissima var. altissima

Tim Spira    tps_aaltissima_2

August        

image of Ageratina altissima var. altissima

JK Marlow    jkm080924_072

September    Transylvania County    NC

Blue Ridge Parkway

Disk flowers bright white, 12-24 per involucrate head, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Ageratina altissima var. altissima

Sam Pratt    sbp_092513_1986

September    Spartanburg County    SC

In cultivation

Inflorescence a flat or rounded corymb-like structure, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.

image of Ageratina altissima var. altissima

JK Marlow    jkm121027_848

October    Pickens County    SC

Glassy Mountain Heritage Preserve

Leaves ovate with rounded bases and sharply toothed margins, well stalked, per Wildflowers of the Southern Mountains.


click here to see other plants that look similar to this COMPARE leaves of Snakeroot species

image of Ageratina altissima var. altissima

Keith Bradley    kab_a_altissima_2767

October    Polk County    NC

Petioles 1.5-6 cm long, per Vascular Flora of the Carolinas.