Mentha arvensis, 3.5" pot
Description: Stems upright, leafy. Plant strongly mint-scented. Stem square, slightly hairy, branched. Leaves 1–3 in., opposite, egg-shaped with sharp point, saw-toothed, hairy; lower leaves on short petioles; upper leaves sessile. Flowers in clusters around stem; calyx with 5 lobes; petal tube white, pink, or violet, with 4 equal lobes. Grows in moist places, along streams, near lakes or in fields, at low to mid-elevations. Plants, both native and European, now circumboreal. Used by Native Americans as a tea.
photo credit: Mentha arvensis, Andreas Rockstein, Flickr, (CC BY-SA 2.0)
photo credit: Mentha arvensis, Matt Lavin, Flickr, (CC BY-SA 2.0)