Arnica longifolia

Arnica longifolia, commonly known as Longleaf Arnica, is a resilient perennial herb native to the mountainous regions of North America. Renowned for its vibrant yellow blooms, this medicinal plant is traditionally utilized in herbalism to soothe muscle aches, reduce inflammation, and support the healing of minor skin bruises.

  • Scientific name: Arnica longifolia
  • Family: Asteraceae
  • Native range: Northern America

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta. Within the class Equisetopsida and subclass Magnoliidae, it is classified under the order Asterales. Finally, it is a member of the family Asteraceae and the genus Arnica.

Rank Classification Source
Kingdom Plantae WCVP
Phylum Streptophyta WCVP
Class Equisetopsida WCVP
Subclass Magnoliidae WCVP
Order Asterales WCVP
Family Asteraceae WCVP
Genus Arnica WCVP

Common Names

This plant, known scientifically as Arnica longifolia, is referred to by several different common names depending on the linguistic and regional context. In English, it is most frequently called longleaf arnica, while in German, it is identified as Langblättriges Arnika. Furthermore, in French, the species is known as l'arnica à feuilles longues.
Language Common Name Source

Distribution

This plant is primarily distributed across the mountainous regions of Western Canada and the Northwestern United States. In Canada, its presence is noted within the provinces of Alberta and British Columbia. Moving southward into the United States, it can be found in the state of Idaho. The species also extends into the rugged landscapes of Montana. Finally, its geographical range reaches as far south as Colorado.

Region Area Source
Western Canada Alberta WCVP
Western Canada British Columbia WCVP
Northwestern U.S.A. Colorado WCVP
Northwestern U.S.A. Idaho WCVP
Northwestern U.S.A. Montana WCVP
Northwestern U.S.A. Oregon WCVP
Northwestern U.S.A. Washington WCVP
Northwestern U.S.A. Wyoming WCVP
Southwestern U.S.A. California WCVP
Southwestern U.S.A. Nevada WCVP

Chemicals

Arnica longifolia has 2 reported phytochemicals identified across 2 scientific publications and several other databases. The most consistently reported chemicals include carabron, helenalin.

Total chemicals
2
Scientific sources
2

Most Reported Compounds

Compound Sources Confidence
carabron 1 ★☆☆☆☆
helenalin 1 ★☆☆☆☆