Amphibious, mat or often floating. Stems to 3 ft. long, prostrate or ascending, reddish. Leaves mostly on flower stalks; lower leaves pinnately divided. Leaflets 5–7, oblong, coarsely toothed, hairy. Inflorescence usually consists of fewer than 10 flowers. Flower dark red, 3/4–1 1/2 in. across, with 5 petals much shorter than sepals, many stamens. Grows in bogs, marshes, banks of streams and lakes, at low to high elevations.
- Rarity: Locally Common
- Flowering Time: All Summer
- Life Cycle: Perennial
- Height: 8--20 inches
- Habitat: Vernal Wet, Meadow, Bog/Fen/Wetland, Lake/Pond, Moist Riverbanks
- Found In: Olympic Np, Mt. Rainier Np, Wallowas, N Cascades Np
- Native: Yes