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NC Native Plant Society:
Plant Details

Pycnanthemum muticum

Clustered Mountain-mint, Short-toothed Mountain-mint, Blunt Mountain-mint

Scientific Name:

Pycnanthemum muticum

Genus:

Pycnanthemum

Species Epithet:

muticum

Common Name:

Clustered Mountain-mint, Short-toothed Mountain-mint, Blunt Mountain-mint

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Lamiaceae (Mint Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

1-3 ft.

Bloom Color(s):

White, Purple

Light:

Sun - 6 or more hours of sun per day, Part Shade - 2 to 6 hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

June, July, August

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Bogs, wet meadows, moist to wet forests. Infrequent to fairly common in the mountains and foothills; rare over most of the central and eastern Piedmont; uncommon to infrequent in the Coastal Plain, but rare in the far eastern counties.

Two varieties in NC according to Weakley (2020):
an undescribed variety named for now as Pycnanthemum muticum var. 1

Pycnanthemum muticum var. muticum.

Leaf Arrangement:

Opposite

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Suitable for home landscapes

State Rank:

S4: Apparently secure (*Key)

Global Rank:

G5 - Secure (*Key)

Separating this species from other mountain mints involves closely examining the calyx or the seeds

Transylvania County, NC. cultivated

The Scientific Name is Pycnanthemum muticum. You will likely hear them called Clustered Mountain-mint, Short-toothed Mountain-mint, Blunt Mountain-mint. This picture shows the Separating this species from other mountain mints involves closely examining the calyx or the seeds of Pycnanthemum muticum

Larry Mellichamp

Links:

USDA PLANTS Database Record



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