Rayless Arnica

Additional Information:

Scientific Name: Arnica parryi
Common Name: Rayless arnica
Family: Asteraceae
Locale: Routt National Forest
Specific Region: Rocky Mountains, Colorado
Description: Arnica parryi-note the three inflorescences arising from the last set of opposite leaves. Also, as its common name implies, it is the only Arnica without ray (ligulate) flowers
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Date: July 10,2006

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