Arnica chamissonis

Chamisso Arnica (Arnica chamissonis) is a native perennial herb that grows in Northern, Southern and Central California, primarily in the Warner Mountains, the White and Inyo Mountains and Klamath Mountain Range regions. It is moderately fast growing and short-lived. It grows in an upright form to a height of 2.5 feet, with active growth during the spring and summer. Flowers are yellow and striking, and bloom in the early summer. Leaves are medium green and deciduous. It tends to grow in moist meadows and rocky places, at elevations from 5000-11000 feet.