Hairy Arnica, Cordilleran Arnica, Cordilleran Leopardbane: Arnica mollis

Close-up images of the flower heads of hairy arnica. Photographed at Shorthorn Creek along the Shorthorn Trail #16 in the Mt. Adams Wilderness.........August 24, 2008. Note the gland tipped hairs on the stem and leaves.

The photo at left shows a close-up sideview of hairy arnica, showing the ray flowers and a sideview of the disk flowers. Photographed at about 4300' in moist meadows astride a ridgetop dividing the Dairy and Cougar Creek watersheds at the southeastern corner of Mt. Adams..........June 19, 2005. The photo at right shows hairy arnica in bloom along the Round the Mountain Trail #9 at the West Fork of Crooked Creek, Yakama Nation lands at Bird Creek Meadows, Mount Adams.......September 4, 2022.

A habitat view of hairy arnica as seen at left in a subalpine meadow at about 7000' along the Climber's Trail along the south rim of Hellroaring Valley..........August 29, 2022. The photo at right shows hairy arnica at a steep rivulet along the Round the Mountain Trail #9 on Yakama Nation lands at Bird Creek Meadows.....September 2, 2023. This rivulet falls into the upper portion of Crooked Creek.

The 2 photos above show views of the stem leaves of hairy arnica. Notethat the basal leaves of this species are much reduced in size in comparison to those on the main stem of mature plants. Photographed at Shorthorn Creek along the Shorthorn Trail #16 in the Mt. Adams Wilderness...........August 24, 2008. Click each photo to view enlargements.

The photo at left shows the flower head of hairy arnica as seen from above in meadows immediately to the north of Hellroaring Creek adjacent to the Island Springs Trail in the Yakama Nation at the southeastern corner of Mt. Adams................July 17, 2005. Most typically, this species has 7-10 ray flowers per flower head. The photo at right shows several flower heads ofhairy arnica as seen along the Bluff Lake Trail where the trail comes close to picturesque falls on Bird Creek, Bird Creek Meadows, Mt. Adams, Yakama Nation........September 3, 2017..

The photo above shows a close-up of the involucre of hairy arnica as seen in meadows immediately to the north of Hellroaring Creek adjacent to the Island Springs Trail in the Yakama Nation at the southeastern corner of Mt. Adams................July 17, 2005. The hairs of the involucre are spreading but are not woolly in appearance.

Hairy arnica as seen in meadows immediately to the north of Hellroaring Creek adjacent to the Island Springs Trail in the Yakama Nation at the southeastern corner of Mt. Adams................July 17, 2005. This species typically has 2-3 pairs of opposite leaves on the stem and a tuft of basal leaves. The leaves of mid-stem are usually the largest. The leaves are lanceolate to oblanceolate in outline and are typically not toothed. 7-10 ray flowers ring the disk flowers. It is rare that this species has more than 3 flower heads per stem.

The photo at left shows hairy arnica as seen in a riparian area along the upper edge of the Klickitat River...........May 19, 2007. The photo at right shows hairy arnica as seen along the Round the Mountain Trail #9 west of Crooked Creek, Bird Creek Meadows, Mount Adams.........July 20, 2015.