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Arnica chamissonis
Also called Chamisso's Arnica, Leafy Arnica, Leafy Leopardbane, Leafy Leopardsbane, Meadow Arnica, Silver Arnica
Arnica chamissonis, the Chamisso arnica, is a North American species of plants in the family Asteraceae. It is very similar to Arnica montana. Arnica chamissonis is native to North America and naturalized in parts of Europe while A. montana is indigenous to Europe.
Arnica chamissonis is native to western North America, including Alaska, and most of Canada including Yukon and Northwest Territories. Arnica chamissonis is perennial. It has a temperature minimum of −33 °F (−36 °C). They are adapted to both coarse and medium textured soils with a pH between 6.0–7.2. Since this plant uses a lot of moisture, it has a precipitation requirement of between 14–24 inches (36–61 cm). It generally prefers moist meadows and conifer forests and often grows in montane to subalpine zones, 0–3,500 metres (0–11,483 ft). Seeds are easily available and the plant can be grown in a home garden. It prefers full sun exposure and an average soil temperature of 65–75 °F (18–24 °C).
Common leopardbane · Narrowleaf arnica · Serpentine arnica · Heartleaf arnica · Mock leopardbane · Rayless arnica · Foothill arnica · Smallhead arnica · Snow Arnica · Lanceleaf arnica · Broadleaf arnica · Nodding arnica
Text excerpted from the Wikipedia article Arnica chamissonis by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
