[Members of the Sunflower Family with Flower Heads like Sunflowers or Daisies]

Members of the Genus Arnica

Found East of the Cascade Mountains of Oregon and Washington

Subalpine Arnica: Arnica rydbergii

The photo at right shows a mass of hairy arnica (Arnica mollis) lining an alpine lake in southeastern Oregon.

Clasping Arnica: Arnica amplexicaulis -

Chamisso Arnica, Leafy Arnica, Narrowleaf Arnica: Arnica chamissonis ssp. foliosa (Synonym: Arnica chamissonis ssp. foliosa var. andina, Arnica chamissonis var. andina, Arnica chamissonis var. foliosa, Arnica chamissonis var. jepsoniana, Arnica foliosa) -

Chamisso Arnica, Silvery Arnica: Arnica chamissonis ssp. incana (Synonyms: Arnica chamissonis ssp. foliosa var. incana, Arnica chamissonis var. incana, Arnica foliosa var. incana) -

Heart-leaved Arnica: Arnica cordifolia - Flower heads have a yellow central disc surrounded by 8 to 12 yellow ray flowers. 2-3 pairs of opposite, heart-shaped stem leaves. Tips of ray flowers pointed.

Dwarf heart-leaved Arnica: Arnica cordifolia var. pumila - Currently recognized under Arnica cordifolia above.

Sticky Arnica, Varied-leaved Arnica: Arnica diversifolia (Synonyms: Arnica ovata, Arnica amplexicaulis or mollis x cordifolia or latifolia) -

Foothills Arnica, Hillside Arnica, Orange Arnica, Shining Leopardbane: Arnica fulgens -

Mountain Arnica: Arnica latifolia -

Longleaf Arnica, Seep Spring Arnica, Spearleaf Arnica, Spear-leaf Arnica, Spear-leaf Leopardbane: Arnica longifolia (Synonyms: Arnica longifolia ssp. myriadenia, Arnica myriadenia) -

Fragrant Arnica, Hairy Arnica: Arnica mollis -

Sierra Arnica, Nevada Arnica: Arnica nevadensis -

Nodding Arnica, Parry's Arnica: Arnica parryi (Synonyms: Arnica angustifolia, Arnica angustifolia ssp. eradiata, Arnica parryi ssp. parryi, Arnica parryi ssp. sonnei, Arnica parryi var. parryi, Arnica parryi var. sonnei) - Erect perennial with opposite leaves. Flower heads either discoid or primarily discoid with small rays.

Rydberg's Arnica, Subalpine Arnica, Subalpine Leopardbane: Arnica rydbergii (Synonyms: Arnica aurantiaca, Arnica cascadensis) -

Bunch Arnica, Foothills Arnica, Twin Arnica, Twin Leopardbane: Arnica sororia (Synonym: Arnica fulgens var. sororia) - Erect perennial with solitary stems and opposite leaves. Flowers sunflower-like, yellow in color.

Paul Slichter E-Mail