Native & Naturalized Plants of the Carolinas & Georgia


353

Forb
Perennial

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

Rare

Look for it in rich forests, ranging from moist (cove) forests to rather dry oak forests over mafic or calcareous rocks, per Weakley's Flora

map
To see a detailed map, click here

 

...Moist ...Dry

LEAVES:
Simple
Opposite appearing whorled

FLOWER:
Spring/Summer
Lavender/Purplish
Bisexual
Bilaterally symmetrical
2-lipped calyx
2-lipped 5-lobed corolla
4 long-exserted stamens
Superior ovary

FRUIT:
Summer
Schizocarp of mericarps

 

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



Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales

WEAKLEY'S FLORA (11/30/12):
Collinsonia verticillata   FAMILY Lamiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Collinsonia verticillata   FAMILY Lamiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (1968) 164-33-003:
Collinsonia verticillata   FAMILY Lamiaceae

 

COMMON NAME:
Whorled Horsebalm


Click or hover over the thumbnails to see larger pictures.

image of Collinsonia verticillata

Gill Newberry    gn04_c_verticillata

April        

The inflorescence is usually unbranched, per Wildflowers of the Southern Mountains.

image of Collinsonia verticillata

Jim Fanning    jcf_horsebalms1

April    Pickens County    SC

SC Botanical Garden

image of Collinsonia verticillata

JK Marlow    jkm0404v_27b

April    Pickens County    SC

SC Botanical Garden

The middle lobe of the corolla's lower lip is long and lacerated, per Vascular Flora of the Carolinas.

image of Collinsonia verticillata

JK Marlow    jkm120414_889

April    Pickens County    SC

Jocassee Gorges

The two pairs of opposite leaves, appearing whorled, are distinctive, per Guide to the Wildflowers of SC.

image of Collinsonia verticillata

JK Marlow    jkm120414_890

April    Pickens County    SC

Jocassee Gorges

Thyrse narrow, rachis densely pilose with gland-tipped trichomes, per Vascular Flora of the Carolinas.

image of Collinsonia verticillata

JK Marlow    jkm120414_952

April    Pickens County    SC

Jocassee Gorges

image of Collinsonia verticillata

Richard and Teresa Ware    rtw_c_verticillata_12

April        

image of Collinsonia verticillata

Richard and Teresa Ware    rtw_c_verticillata_2

April        

image of Collinsonia verticillata

Sam Pratt    sbp_20140428_122446

April    Spartanburg County    SC

In cultivation

image of Collinsonia verticillata

Sam Pratt    sbp_20140428_122703

April    Spartanburg County    SC

In cultivation

A 2-cleft long-exserted stigma and 4 long-exserted stamens, per Vascular Flora of the Carolinas.


click here to see other plants that look similar to this COMPARE flowers of Horsebalm species

image of Collinsonia verticillata

Sam Pratt    sbp_20140428_122703b

April    Spartanburg County    SC

In cultivation

Calyx zygomorphic, 2-lipped and 5-toothed, 3-6mm long at anthesis, per Vascular Flora of the Carolinas.

image of Collinsonia verticillata

Keith Bradley    kab_c_verticillata_6526

May    Polk County    NC

image of Collinsonia verticillata

Keith Bradley    kab_c_verticillata_6550

May    Polk County    NC