Arnica gracilis

Arnica gracilis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Asterales
Family: Asteraceae
Tribe: Heliantheae
Genus: Arnica
Species: A. gracilis
Binomial name
Arnica gracilis
Rydb.
Synonyms[1]
  • Arnica arcana A.Nelson
  • Arnica betonicifolia var. gracilis (Rydb.) M.E.Jones
  • Arnica columbiana A.Nelson
  • Arnica jonesii Rydb.
  • Arnica lactucina Greene
  • Arnica latifolia var. gracilis (Rydb.) Cronquist
  • Arnica multiflora Greene

Arnica gracilis is a North American species of arnica in the sunflower family, known by the common name Smallhead arnica.[2][3] It is native to western Canada (Alberta, British Columbia) and the northwestern United States (Washington, Oregon, Idaho, Montana, Wyoming, north-central Colorado (Jackson County), and northern Utah (Cache, Summit, + Daggett Counties).[4]

Arnica gracilis is an herb up to 30 cm (12 inches) tall. Flower heads are yellow, with both ray florets and disc florets.[2]

References

  1. ↑ The Plant List Arnica gracilis Rydb.
  2. 1 2 Flora of North America, Smallhead arnica, Arnica gracilis
  3. ↑ Rydberg, Per Axel 1897. Bulletin of the Torrey Botanical Club 24(6): 297
  4. ↑ Biota of North America Program 2014 county distribution map

External links


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