Arnica longifolia
Asteraceae
Seep-Spring Arnica
Stems erect in large patches, tall blooming stems sticky in upper part. Shorter leafy side shoots. Leaves mostly on stem in 5–12 pairs; lance-shaped, long, narrow, entire, sessile, with lowest pair fused to stem. Flower heads 8–13, with 1/2 in. ray flowers surrounding disk; bell-shaped cup formed by bracts with sharply pointed, long-haired tips. Grows in seeps, wet meadows, high in mountains.
- Rarity: Common
- Flowering Time: Late Summer
- Flower Form: Senecio Tribe
- Life Cycle: Perennial
- Height: 12–24 inches
- Habitat: Alpine, East-side Forest, Meadow, Subalpine
- Found In: Crater Lake NP, Mt. Rainier NP, N Cascades NP, Steens, Wallowas
- Native: Yes
- Also Known As: Longleaf Arnica
