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