Pycnanthemum tenuifolium (Narrowleaf Mountainmint) is a species of perennial herb in the family Lamiaceae. They have a self-supporting growth form. They are native to North America, Eastern North America, Canada, and The Contiguous United States. They have simple, broad leaves. Flowers are visited by Pseudodynerus quadrisectus, Scolia nobilitata, Parancistrocerus pedestris, and Stelis louisae. Individuals can grow to 0.39 m.
EOL has data for 18 attributes, including: