Pycnanthemum tenuifolium

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Pycnanthemum tenuifolium
Pycnanthemum tenuifolium001.jpg

Secure (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Pycnanthemum
Species: P. tenuifolium
Binomial name
Pycnanthemum tenuifolium

Pycnanthemum flexuosum auct. non Walter: misidentified)
Pycnanthemum linifolium

Pycnanthemum tenuifolium, the narrowleaf mountainmint,[1] slender mountainmint, common horsemint or Virginia thyme, is a plant in the mint family, Lamiaceae. It is native to eastern North America.

This is an herbaceous plant with narrow, opposite, simple leaves, on wiry, green stems. The flowers are white, borne in summer. Like most plants in the genus, the foliage has a strong mint fragrance when crushed or disturbed.


  1. ^ "Pycnanthemum tenuifolium". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 16 October 2015. 

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