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Chamisso arnica

Scientific Name: Arnica chamissonis ssp. foliosa

Family: Asteraceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Arnica chamissonis: Chamisso Arnica

Arnica chamissonis, commonly known as Chamisso arnica, is a perennial herbaceous plant belonging to the Asteraceae (Aster or Sunflower) family. It is also known as meadow arnica and leafy leopardbane.

Taxonomy and Nomenclature

  • Scientific Name: Arnica chamissonis Less.
  • Family: Asteraceae (Aster Family)
  • Synonyms:
    • Arnica bernardina Greene
    • A. chamissonis var. bernardina (Greene) Jepson ex Maguire
  • Subspecies:
    • Arnica chamissonis Less. ssp. chamissonis var. interior Maguire
    • Arnica chamissonis Less. ssp. foliosa (Nutt.) Maguire
    • Arnica chamissonis Less. ssp. foliosa Nutt.
    • Arnica chamissonis ssp. foliosa var. bernardina (Greene) Maguire
  • Common Names: Chamisso arnica, meadow arnica, leafy leopardbane, leafy arnica, arnica de Chamisso, North American arnica.
  • French: Arnica de Chamisso, Arnica américaine, Arnica des plaines

Distribution and Habitat

  • Arnica chamissonis is native to North America, particularly the western regions of the United States, including Alaska.
  • It grows in meadows and along creeks.
  • Its distribution ranges from the Southern California Mountains, through the Sierras, to Alaska.
  • It is also found in Europe, although the text mentions Arnica montana is more common there.

Morphology and Growth Habits

  • Chamisso arnica is a perennial wildflower with single stems.
  • The stems typically grow to a height of 20-100 cm (approximately 8-39 inches).
  • It arises from long, nearly naked rhizomes.
  • The plant has 5-10 pairs of heart-shaped lower leaves.
  • It typically has 1-3 leafy stems.
  • It has lance-shaped, hairy, grey-green leaves and yellow flower heads.

Ecological Role

  • It is mentioned in the text that it is found in meadows.

Comparison to Arnica montana

  • Arnica chamissonis is very similar to Arnica montana.
  • A. chamissonis is found in the United States and surrounding regions.
  • A. montana is found in Europe.

Traditional and Modern uses

  • Alpine Arnica is a well known medical plant.

Further Information

  • RHS (Royal Horticultural Society)
  • Discover Life
  • Dave's Garden
  • www.biolib.de