rayless arnica (Arnica discoidea)
Arnica discoidea is a perennial herb native to western North America. Found in forests, it has distinctive yellow flower heads composed entirely of disc florets, lacking.
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Synonyms
Arnica alata Rydb.
Arnica denudata Greene
Arnica falconaria Greene
Arnica grayi A.Heller
Arnica parviflora A.Gray
Arnica sanhedrensis Rydb.
Taxonomy
- kingdomPlantae
- divisionTracheophyta
- classMagnoliopsida
- orderAsterales
- familyAsteraceae
- genusArnica
- speciesArnica discoidea