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Asteraceae
Arnica longifolia
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
- Life Cycle: Perennial
- Height: 12--24 inches
- Habitat: Alpine, Subalpine, Meadow, East-Side Forest
- Found In: Mt. Rainier Np, Wallowas, Steens, Crater Lake Np, N Cascades Np
- Native: Yes
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More Information:
- Common synonyms: longleaf arnica
- More Photos
- USDA Plants Database
- CalPhotos
- OregonFlora
- E-Flora BC