OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Pycnanthemum pycnanthemoides var. pycnanthemoides   FAMILY Lamiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pycnanthemum pycnanthemoides var. pycnanthemoides   FAMILY Lamiaceae

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)

Pycnanthemum pycnanthemoides

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-28-008?:

Pycnanthemum incanum   FAMILY Lamiaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Pycnanthemum pycnanthemoides var. pycnanthemoides

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)

Pycnanthemum pycnanthemoides var. pycnanthemoides

INCLUDING A study of Pycnanthemum (Labiatae) (Grant & Epling, 1943)

Pycnanthemum tullia

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Koellia pycnanthemoides

 

COMMON NAME:
Woodland Mountain-mint, Southern Mountain-mint


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

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_kopy2_001_lvd

        

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm180224_0448

February    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm180224_0450

February    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm180623_2966

June    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm220626_8669

June    Greenville County    SC

Tall Pines Wildlife Management Area

Upper leaves are stikingly whitened with dense, appressed hairs, per Wildflowers of the Sandhills Region (Sorrie, 2011).

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm220626_8670

June    Greenville County    SC

Tall Pines Wildlife Management Area

Stems & lower leaf surfaces canescent, short hairs often intermixed with longer, spreading ones, per Weakley's Flora (2022).

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm220626_8673

June    Greenville County    SC

Tall Pines Wildlife Management Area

Leaves of lower & middle stems with lower surface canescent, distinctly paler than upper surface, per Weakley's Flora (2022).

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

Gill Newberry    gn07_p_pycnanthemoides_pl

July        

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm190704_9801

July    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm190704_9803

July    Greenville County    SC

Tall Pines Wildlife Management Area

Leaves ovate, 13-50mm wide, < 3× as long as wide, per Weakley's Flora (2020).

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm190704_9804

July    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm220722_9280

July    Greenville County    SC

Tall Pines Wildlife Management Area

The 5 petals white to pale lavender, the 3 lower petals forming a lip and spotted with purple, per Wildflowers of the Sandhills Region (Sorrie, 2011).

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm210818_2829

August    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm210818_2877

August    Greenville County    SC

Tall Pines Wildlife Management Area

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm210818_2878

August    Greenville County    SC

Tall Pines Wildlife Management Area

Calyx lobes narrowly triangular and usually tipped with a tuft of long, jointed bristles, per Weakley's Flora (2022).

image of Pycnanthemum pycnanthemoides var. pycnanthemoides, Woodland Mountain-mint, Southern Mountain-mint

JK Marlow    jkm210818_2885

August    Greenville County    SC

Tall Pines Wildlife Management Area

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Pycnanthemum pycnanthemoides var. pycnanthemoides   FAMILY Lamiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pycnanthemum pycnanthemoides var. pycnanthemoides   FAMILY Lamiaceae

INCLUDED WITHIN Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Pycnanthemum pycnanthemoides

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-28-008?:
Pycnanthemum incanum   FAMILY Lamiaceae

INCLUDED WITHIN Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Pycnanthemum pycnanthemoides var. pycnanthemoides

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Pycnanthemum pycnanthemoides var. pycnanthemoides

INCLUDING A study of Pycnanthemum (Labiatae) (Grant & Epling, 1943)
Pycnanthemum tullia

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Koellia pycnanthemoides

 

Find by SCIENTIFIC NAME:

2110

Forb
Perennial

Habitat: forests and woodland borders, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Mountains, uncommon in Carolina Piedmont (rare elsewhere in GA-NC-SC)

map
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.

LEAVES:
Simple
Opposite

FLOWER:
Summer
White to lavender spotted with purple
Bilaterally symmetrical
5-toothed calyx
2-lipped 4-lobed corolla
4 stamens, usually exserted
Superior ovary
Bisexual

FRUIT:
Summer/Fall
Schizocarp of mericarps

 

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



 


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