Asteraceae

Senecio triangularis

Arrowleaf Groundsel

Cluster of very tall stems with evenly spaced leaves, same size to top. Arrow-shaped leaves 2–8 in. long, on short petioles or sessile, deeply toothed. Few to numerous yellow flower heads in small cluster at top. Head includes 8 ray flowers toothed at tips, 40 disk flowers in center. Grows in wet meadows, conifer forests, streambanks, at mid to alpine elevations.

• Rarity: Locally Common
• Flowering Time: All Summer
• Life Cycle: Perennial
• Height: 1--5 feet
• Habitat: Meadow, West-Side Forest, East-Side Forest, Bog/Fen/Wetland, Subalpine, Moist Riverbanks
• Found In: Olympic Np, Mt. Rainier Np, N Cascades Np, Crater Lake Np, Wallowas, Steens, West Gorge
• Native: Yes