Brassicaceae

Erysimum arenicola

Cascade Wallflower

Erect stem, rosette of leaves. Leaves bright green, 1–3 in. long, oblong to spoon-shaped, coarsely toothed; stem leaves smaller. Large head of bright yellow flowers atop stem arising from center of rosette. Flower petals 2/3–3/4 in. long, opening widely. Seedpods 2–3 in. long, about same width on all 4 sides, becoming twisted. Grows in rocky areas, sandy places, at 5000–7500 ft.

• Rarity: Locally Common
• Flowering Time: Mid Summer
• Life Cycle: Perennial
• Height: 12--15 inches
• Habitat: Subalpine, Alpine, Shrub-Steppe
• Found In: Olympic Np, Mt. Rainier Np, N Cascades Np
• Native: Yes