Pycnanthemum tenuifolium Schrad.
Family: Lamiaceae
narrow-leaved mountain mint, slender mountain mint
[Koellia flexuosa auct. non (Walter) MacMill.]
Pycnanthemum tenuifolium image
Emmet J. Judziewicz  
Pycnanthemum tenuifolium image
Emmet J. Judziewicz  
Etymology: Pycnanthemum: from Greek pychnos, "dense," and anthemon, "flower," so "densely flowered"
Plants: erect, perennial, 20"-32" tall forb, almost odorless; stems square, hairless, very leafy with many short branches
Leaves: opposite, linear, very narrow, small, toothless
Flowers: pink to white, 5-parted, 1/4"-1/3" long; flower drawing 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; upland woods, prairies
Conservation Status: Introduced - locally established
Pycnanthemum tenuifolium image
Emmet J. Judziewicz  
Pycnanthemum tenuifolium image
Emmet J. Judziewicz  
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image
Pycnanthemum tenuifolium image