Arnica Amplexicaulis, or more commonly know as Clasping Arnica, is a forb/herb (a forb/herb is a non-woody plant that is not a grass) with green foliage and yellow flowers of the genus Arnica. It has a moderate growth rate and a height of 2.5 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during summer, is tolerant of shade and is routinely available commercially. Arnica Amplexicaulis or Clasping Arnica's floral region is North America US Lower 48 and Alaska, specifically in the states of Alaska, California, Idaho, Montana, Nevada, Oregon, Utah, Washington and Wyoming.
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