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 montanum   FAMILY Lamiaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pycnanthemum montanum   FAMILY Lamiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-28-007:

Pycnanthemum montanum   FAMILY Lamiaceae

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

Pycnanthemum montanum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Koellia montana

 

COMMON NAME:
Appalachian Mountain-mint, Thinleaf Mountain-mint


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

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_komo_001_lvd

        

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

JK Marlow    jkm230320_1725

March    Greenville County    SC

Chestnut Ridge Heritage Preserve

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

JK Marlow    jkm230717_4467

July    Greenville County    SC

Landrum Watershed

Leaves lanceolate, 0.5-1.25" wide, tapered to stalks ~ .25" long, with sharply toothed margins, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

JK Marlow    jkm230720_4571

July    Greenville County    SC

Chestnut Ridge Heritage Preserve

Flowers in headlike clusters, terminating stem and in the upper two pairs of leaf axils, per Guide to the Wildflowers of SC, 1st ed. (Porcher & Rayner, 2001).

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

Keith Bradley    kab_p_montanum_1734

July    Haywood County    NC

Blue Ridge Parkway

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

JK Marlow    jkm0508d_11

August    Transylvania County    NC

Blue Ridge Parkway

Bracts of the inflorescence glabrous (or very sparsely pubescent) on the upper surface, per Weakley's Flora (2023).

image of Pycnanthemum montanum, Appalachian Mountain-mint, Thinleaf Mountain-mint

JK Marlow    jkm140816_790

August    Jackson County    NC

High Hampton Inn

 

 

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

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pycnanthemum montanum   FAMILY Lamiaceae

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 164-28-007:
Pycnanthemum montanum   FAMILY Lamiaceae

SYNONYMOUS WITH A study of Pycnanthemum (Labiatae) (Grant & Epling, 1943)
Pycnanthemum montanum

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Koellia montana

 

Find by SCIENTIFIC NAME:

1173

Forb
Perennial

Habitat: Balds, soil islands on granitic domes, calcareous woodlands, woodlands, forests, and forest edges, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Mountains (rare in Piedmont)

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

LEAVES:
Simple
Opposite

FLOWER:
Summer
Yellowish/Whitish
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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