[Arnicas West of the Cascade Mountains of Oregon and Washington]

Streambank Arnica, Clasping Arnica

Arnica amplexicaulis

Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima

Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima)

Streambank arnica blooming in a pot at the webmaster's home in Gresham, Oregon.........June 29, 2015. Since this is a species that lives around the base of waterfalls, or in streams, plant it in a pot and place it in a watertight container with water in it to help it survive the summer.

Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima)

A close-up view of the disk and ray flowers of streambank arnica as seen in the ditch along the Hurricane Ridge Road, about one mile downhill from the Hurricane Ridge Visitors Center in Olympic National Park.......July 25, 2008.

Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima)

A close-up sideview of the hairy involucral bracts of streambank arnica as seen in the ditch along the Hurricane Ridge Road, about one mile downhill from the Hurricane Ridge Visitors Center in Olympic National Park........July 25, 2008.

Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima) - Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima)

What appears to be streambank arnica as seen in moist areas near the base of the short-cut trail up the south side of Klahhane Ridge, Olympic National Park..........July 27, 2014.

Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima) - Inflorescence of Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima)

Streambank arnica blooming in a pot at the webmaster's home in Gresham, Oregon.........May 18, 2016.

Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima) - Streambank Arnica, Clasping Arnica: Arnica amplexicaulis (Synonyms: Arnica amplexicaulis var. amplexicaulis, Arnica amplexicaulis var. piperi, Arnica lanceolata ssp. prima)

Two additional views of streambank arnica as seen in the ditch along the Hurricane Ridge Road, about one mile downhill from the Hurricane Ridge Visitors Center in Olympic National Park.......July 25, 2008. Click each photo to see an enlarged view.

Paul Slichter