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 loomisii   FAMILY Lamiaceae   Go to FSUS key



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    jkm230809_4895

August    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm230809_4898

August    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm220927_0099

September    Greenville County    SC

Blackwell Heritage Preserve

image of Pycnanthemum loomisii, Loomis's Mountain-mint

JK Marlow    jkm220927_0100

September    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).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
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

 

Find by SCIENTIFIC NAME:

4459

Forb
Perennial

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

Native to the Carolinas & Georgia

Rare

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

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

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!



 


Find by SCIENTIFIC NAME: