Asteraceae
Arnica amplexicaulis

Streambank Arnica

Erect, single, tall stem with gland-tipped hairs on upper portion. Leaves lance-shaped to oval, 1 1/2–4 in. long, toothed, clasping stem in opposite pairs. Smaller lower leaves often drop before flowering. Flower heads pale yellow throughout; 8–14 petal-like ray flowers toothed at tips. Grows in moist open woods, along streambanks, at low to high elevations.

  • Rarity: Locally Common
  • Flowering Time: Mid Summer
  • Life Cycle: Perennial
  • Height: 12--30 inches
  • Habitat: West-Side Forest, East-Side Forest, Meadow
  • Found In: Olympic NP, Mt. Rainier NP, N Cascades NP, Crater Lake NP, Wallowas, West Gorge
  • Native: Yes