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Arnica sororia
Arnica sororia Greene
Twin Arnica
Asteraceae (Aster Family)
Synonym(s): Arnica fulgens var. sororia
USDA Symbol: ARSO2
USDA Native Status: L48 (N), CAN (N)
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Plant Characteristics
Duration: PerennialHabit: Herb
Size Notes: Up to about 20 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom Information
Bloom Color: Orange , YellowBloom Time: May , Jun , Jul
Distribution
USA: CA , ID , MT , NV , OR , SD , UT , WA , WYCanada: AB , BC , SK
Web Reference
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Additional resources
USDA: Find Arnica sororia in USDA PlantsFNA: Find Arnica sororia in the Flora of North America (if available)
Google: Search Google for Arnica sororia
Metadata
Record Modified: 2018-12-11Research By: CBR