Native & Naturalized Plants of the Carolinas & Georgia


4459

Forb
Perennial

Native to the Carolinas & Georgia

Documented growing wild in GA NC SC

Rare (an endemic)

Look for it in forests and woodland borders, per Weakley's Flora

map
To see a detailed map, click here

 

partial shade

LEAVES:
Simple
Opposite

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

FRUIT:
Summer/Fall
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 (10/20/20):
Pycnanthemum loomisii   FAMILY Lamiaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Pycnanthemum loomisii   FAMILY Lamiaceae

SYNONYMOUS WITH Manual of Vascular Plants of NE US & Adjacent Canada (Gleason & Cronquist,1991)
Pycnanthemum loomisii

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 incanum var. loomisii

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

 

COMMON NAME:
Loomis's Mountain-mint


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

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210709_1938

July    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2209

July    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2212

July    Greenville County    SC

Blackwell Heritage Preserve

Flower heads rather flat-topped, ~ 1-2" wide, subtended by whitened bracts, per Vascular Plants of North Carolina.

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2213

July    Greenville County    SC

Blackwell Heritage Preserve

Flowers very small, generally white with some purple spots on the lower lip, per Vascular Plants of North Carolina.

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2217

July    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2224

July    Greenville County    SC

Blackwell Heritage Preserve

Calyx lobes usually tipped with a tuft of long, jointed bristles, per Weakley's Flora (2020).

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2234

July    Greenville County    SC

Blackwell Heritage Preserve

Calyx clearly bilabiate, lobes narrow triangular, tips acuminate to attenuate, per Weakley's Flora.

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2239

July    Greenville County    SC

Blackwell Heritage Preserve

Lower and mid-stem leaves distinctly paler below, canescent, per Weakley's Flora (2020).

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm210714_2244

July    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm211012_4241

October    Greenville County    SC

Blackwell Heritage Preserve

Mericarps with a smooth surface, glabrous or a few short hairs at the tip, per Weakley's Flora (2020).