Arnica mollis is a North American species of arnica in the sunflower family, known by the common name soft arnica,[2]: 113 or hairy arnica.[3] It is native to Canada (British Columbia, Alberta, Quebec, and all 3 Arctic territories)[4] and the United States (Alaska and the western mountains as far south as San Bernardino County, California[5] and Rio Arriba County, New Mexico. There are also isolated populations in the White Mountains of Coos County, New Hampshire.[6] The species grows in subalpine mountain habitat such as meadows and streambanks.[3]
| Arnica mollis | |
|---|---|
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| Arnica mollis in Henry M. Jackson Wilderness | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Arnica |
| Species: | A. mollis
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| Binomial name | |
| Arnica mollis | |
| Synonyms[1] | |
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Synonymy
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Arnica mollis is a perennial herb producing one or more hairy, glandular, mostly naked stems 20 to 60 centimeters tall. There are 3 to 5 pairs of leaves along mainly the lower half of the stem, each oblong in shape and 4 to 20 centimeters in length.[3]
The inflorescence holds one to a few daisylike flower heads with centers of yellow disc florets and fringes of yellow ray florets. The fruit is an achene with a brownish pappus.[3]
"Mollis" means "soft", referring to the soft hairs on the leaves.[2]: 113
References
edit- ^ The Plant List Arnica mollis Hook.
- ^ a b Great Basin Wildflowers, Laird R. Blackwell, 2006, Morris Book Publishing LLC., ISBN 0-7627-3805-7
- ^ a b c d Flora of North America Vol. 21 Page 372 Hairy arnica Arnica mollis Hooker, Fl. Bor.-Amer. 1: 331. 1834.
- ^ Biota of North America Program 2014 state-level distribution map
- ^ Calflora taxon report, University of California, Arnica mollis Hook. Cordillerean Anica, cordilleran arnica, hairy arnica
- ^ Biota of North America Program 2014 county distribution map
External links
edit
Media related to Arnica mollis at Wikimedia Commons- Jepson Manual Treatment
- United States Department of Agriculture Plants Profile
- Southwest Colorado Wildflowers Photo Profile
- Calphotos Photo gallery, University of California
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