LamiaceaeLycopus uniflorus
Northern Water Horehound
Erect, scentless. Stem square, unbranched, with fine hairs. Leaves lance-shaped, with coarse teeth, opposite, sessile, all about the same size. Flowers white or pale pink, small, stalkless, numerous in whorls clustered at leaf axils. Flower 2-lipped; lower lip 3-lobed, hairy inside, 2 stamens, ovary with 4 lobes. Grows in wet places, lake edges, streambanks, riverbanks, bogs, at low to mid-elevations. Flowers smaller and not as dense as Mentha arvensis.
- Rarity: Uncommon
- Flowering Time: Late Summer
- Life Cycle: Perennial
- Height: 4--20 inches
- Habitat: Meadow, Bog/Fen/Wetland, Moist Riverbanks
- Found In: Olympic NP, Mt. Rainier NP, Wallowas, West Gorge, N Cascades NP
- Native: Yes
