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Smith, R.W.

Pycnanthemum muticum

Pycnanthemum muticum (Michx.) Pers.

Clustered Mountainmint

Lamiaceae (Mint Family)

Synonym(s): Koellia mutica

USDA Symbol: PYMU

USDA Native Status: L48 (N)

From the Image Gallery

6 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 3 feet tall.
Fruit: Nutlets.

Bloom Information

Bloom Color: White , Red , Pink , Blue , Purple
Bloom Time: Jun , Jul , Aug , Sep , Oct

Distribution

USA: AL , AR , CT , DC , DE , GA , IL , KY , LA , MA , MD , ME , MI , MO , MS , NC , NH , NJ , OH , PA , RI , SC , TN , TX , VA , VT , WV

Value to Beneficial Insects

Special Value to Native Bees
Special Value to Bumble Bees
Special Value to Honey Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

National Wetland Indicator Status

Region:	AGCP	AK	AW	CB	EMP	GP	HI	MW	NCNE	WMVE
Status:	FAC				FAC	UPL		FAC	FAC

This information is derived from: U.S. Army Corps of Engineers. (2023). 2022 National Wetland Plant List, version 3.6. U.S. Army Engineer Research and Development Center, Vicksburg, MS. https://wetland-plants.usace.army.mil/. Click here for map of regions.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Texas Discovery Gardens - Dallas, TX

Bibliography

Bibref 1294 - The Midwestern Native Garden: Native Alternatives to Nonnative Flowers and Plants An Illustrated Guide (2011) Adelman, Charlotte and Schwartz, Bernard L.

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Web Reference

Webref 178 - Flora of the Southeastern United States (2025) North Carolina Botanical Garden; Chapel Hill, NC.
Webref 34 - Go Botany (2019) Native Plant Trust
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Pycnanthemum muticum in USDA Plants
FNA: Find Pycnanthemum muticum in the Flora of North America (if available)
Google: Search Google for Pycnanthemum muticum

Metadata

Record Modified: 2026-06-25
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