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Arnica lonchophylla
Also called Northern Arnica, Long Leaved Arnica, Spear Leaved Arnica, Seep Arnica
Arnica lonchophylla is a perennial wildflower in the daisy family with yellow flower heads, native to cool northern and montane regions of North America. It is rarely grown in gardens, so care advice here is general and aimed at cool, open, well-drained sites.
Arnica lonchophylla is a species of flowering plant in family Asteraceae. The common names for this species includes longleaf arnica, northern arnica, and spear-leaved arnica. It has daisy-like yellow flowers that are 2.5 to 5 cm across with a yellow center disks.
Arnica lonchophylla grows in dry to mesic soils, on open montane slopes and open woodlands, along gravel-bedded streams and other shorelines. It also is found on calcareous rocky outcrops, to lowland Arctic tundra; it is found from elevations of 0–1500 meters.
Common leopardbane · Narrowleaf arnica · Serpentine arnica · Chamisso arnica · Heartleaf arnica · Mock leopardbane · Rayless arnica · Foothill arnica · Smallhead arnica · Snow Arnica · Lanceleaf arnica · Broadleaf arnica
Text excerpted from the Wikipedia article Arnica lonchophylla by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
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.
