Arnica discoidea

Plants

Robert Steers/NPS · public_domain

About

Arnica discoidea is a North American species of arnica in the sunflower family. It is known by the common name rayless arnica because its flower heads have disc florets but none of the showier ray florets. It is native to the woodlands, forests, and chaparral of the western United States (Washington, Oregon, California, and western Nevada.

Summary from Wikipedia

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Growing details and traits for Arnica discoidea in the Library.

No cultivars in the Library yet — the full profile above covers the species itself.