Wildflowers Found in Oregon

Field Mint

Mentha arvensis - Common, mid to late summer, perennial, 12-30 in. Stems upright, leafy. Plant strongly mint-scented. Stem branched, square, slightly hairy. 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 five 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.