Family: Lamiaceae
common mountain mint, Virginia mountain mint
John M. Schoeneker
Christopher Noll
University of Wisconsin - Madison (WIS-VP)
Etymology: Pycnanthemum: from Greek pychnos, "dense," and anthemon, "flower," so "densely flowered"
Plants: erect, perennial, 1'-3' tall forb, very sweetly aromatic; leafy, square stems with short hairs mainly at the angles
Leaves: opposite, small, linear to lance-shaped
Flowers: white, 5-parted, 1/4" long;
inflorescence a 3" wide, branched, terminal, umbel-like cluster of many, very dense, small, rounded heads; blooms July-Sept.
Fruits: 1-seeded nutlet
Habitat: dry, moderate moisture, to wet; prairies, woods, meadows
Conservation Status: Native
Plants: erect, perennial, 1'-3' tall forb, very sweetly aromatic; leafy, square stems with short hairs mainly at the angles
Leaves: opposite, small, linear to lance-shaped
Flowers: white, 5-parted, 1/4" long;
inflorescence a 3" wide, branched, terminal, umbel-like cluster of many, very dense, small, rounded heads; blooms July-Sept.Fruits: 1-seeded nutlet
Habitat: dry, moderate moisture, to wet; prairies, woods, meadows
Conservation Status: Native
Fens, wet to mesic prairies, sedge meadows, marshes, lakeshores, ditches, moist fields and meadows, shrub-carr, wet thickets; also in dry prairies atop bluffs and cliffs, rocky slopes and wooded ledges, thin oak-pine woods, mesic woods, even along railroad tracks and roadsides, in old quarries, and rarely tamarack swamps.
Rare north of the Tension Zone but with numerous collections from around Green Bay. The Sheboygan Co. collections are from along railroads or lack habitat data and may be introduced. This species is often included in prairie restorations and native plantings.
Rare north of the Tension Zone but with numerous collections from around Green Bay. The Sheboygan Co. collections are from along railroads or lack habitat data and may be introduced. This species is often included in prairie restorations and native plantings.
Floristic Rating: Coefficient of Conservatism = 6, Wetland Indicator = FACW+ Atlas of the Wisconsin Prairie and Savanna Flora: by T.S. Cochrane & H.H. Iltis: habitat, distribution infomation / flowering and fruiting times USDA Plants Database: Federal Distribution and detailed information including photos USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin Illinois Wildflowers: Wonderful photographs; detailed descriptions; color and leaf arrangement key Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Christopher Noll
Merel R. Black
Margery Melgaard
Theodore S. Cochrane
Derek Anderson
Merel R. Black
Aaron_Carlson
Aaron Carlson
Aaron_Carlson
Aaron Carlson
Margery Melgaard
Aaron_Carlson
Aaron Carlson
Emmet J. Judziewicz
