Broad-leaf Arnica, Broad-leaved Arnica, Daffodil Leopardbane, Longleaf Arnica, Mountain Arnica, Spearleaf Arnica, Seep Spring Arnica, Spear-leaf Leopardbane
Synonym: Arnica latifolia var. latifolia
The flower head and
leaves at midstem of mountain arnica as seen at about 4100' along King Mt. Rd
#200, Tract D Yakama Nation to the southeast of Mt. Adams...........May 28,
Mountain Arnica, Broadleaf Arnica: Arnica
latifolia - Leaves larger, usually 1.5-8 cm broad, often noticeably
toothed. The 1-3 flower heads are larger and wider than those of the next
species, with the involucres measuring from 10-18 mm high. Larger plants from
10-60 cm high, found in moist woods, medows, and moist open places in the
mountains, more typically at lower elevations than the next species.
Arnica gracilis (A. latifolia var. gracilis) - Leaves
small, usually less than 2.5 cm wide. The 3-9 narrow heads are small, the
involucre measuring 7-13 mm hgih. Small tufted plants from 10-30 cm high,
found on rocky to cinder slopes that are more exposed, and usually higher
than A latifolia.
Mountain arnica as seen along the Pacific Crest Trail #2000 between Cispus Basin and Cispus Pass, Goat Rocks Wilderness..........August 19, 2020.
The photo above shows a close-up of the leaves at midstem of
mountain arnica as seen at about 4100' along King Mt. Rd #200, Tract D Yakama
Nation to the southeast of Mt. Adams...........May 28, 2005.
A cluster of mountain arnica as seen at Bird
Creek Meadows............September 1 , 1996.