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Species Details
Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium Read more about this collection »
LeavesOpposite, 2-6 pairs, mostly stem leaves, blades heart-shaped to egg-shaped, 3-10 cm long, 2-10 cm wide, margins toothed
FlowersHeads 1-3, ray and disk flowers, erect, bases hairy; involucre bracts 13-22 mm tall, lance-shaped to reversed lance-shaped, hairy; ray flowers 9-16, yellow, toothed; disk flowers yellow, hairy; florets with sepals reduced to pappus; petals 5, united; stamens 5, fused around the style; pistils 1
Fruits and SeedsAchenes, 4-8 mm long, pappus white, finely-barbed
Scientific Name
Arnica cordifolia Hook.
Common Name
heart-leaved arnica
General Description
Perennial herb, simple, sometimes branched, 10-70 cm tall
Leaves
Opposite, 2-6 pairs, mostly stem leaves, blades heart-shaped to egg-shaped, 3-10 cm long, 2-10 cm wide, margins toothed
Flowers
Heads 1-3, ray and disk flowers, erect, bases hairy; involucre bracts 13-22 mm tall, lance-shaped to reversed lance-shaped, hairy; ray flowers 9-16, yellow, toothed; disk flowers yellow, hairy; florets with sepals…
Heads 1-3, ray and disk flowers, erect, bases hairy; involucre bracts 13-22 mm tall, lance-shaped to reversed lance-shaped, hairy; ray flowers 9-16, yellow, toothed; disk flowers yellow, hairy; florets with sepals reduced to pappus; petals 5, united; stamens 5, fused around the style; pistils 1
Fruits and Seeds
Achenes, 4-8 mm long, pappus white, finely-barbed
Phenology
Flowers from July to August
Notes
Similar Species:
Arnica latifolia
A. latifolia can be found in moist montane forests and meadows. It can be distinguished from A. cordifolia by elliptical to lance-shaped lowers leaves and hairless bracts.
Medical…
Similar Species:
Arnica latifolia
A. latifolia can be found in moist montane forests and meadows. It can be distinguished from A. cordifolia by elliptical to lance-shaped lowers leaves and hairless bracts.
Medical uses:
A. cordifolia was used by early pioneers with rubbing alcohol to make a liniment that reduced inflammation of muscles, joints and sprains.
Range/Distribution
Alberta: The foothills and Rocky Mountains
CAN (BC, MB, NT, ON, SK, YT); USA (AK, AZ, CA, CO, ID, MI, MT, ND, NM, NV, OR, SD, UT, WA, WY)
Citation
Page Citation for Arnica cordifolia Hook.
Page Citation
"Species Details - Arnica cordifolia Hook., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-2909/12-142171. Accessed 15 Dec. 2024.
Specimen Information
There are 303 specimens of this Species.
125954 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Hoadley
Date Collected2010-07-05
128769 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, British Columbia, Line Creek
Date Collected1982-07-01
131339 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Opal Hills
Date Collected1969-06-29
131340 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Bald Hills
Date Collected1969-06-27
134256 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Cleardale
Date Collected2009-07-18
84819 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Nordegg
Date Collected1975-07-24
84817 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Cadomin
Date Collected1975-07-21
82467 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Lost Lake
Date Collected1970-07-11
16863 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Carthew Pass
Date Collected1953-07-26
76261 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Tonquin Valley
Date Collected1971-07-08
76262 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Tonquin Valley
Date Collected1971-07-08
76245 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Amethyst Lake
Date Collected1971-07-14
76332 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Amethyst Lake
Date Collected1971-07-14
25390 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Whitehorse Wildland Park, Cardinal Divide
Date Collected1968-08-13
84465 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Gros Ventre Creek
Date Collected1978-06-02
84228 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Marten Mountain
Date Collected1978-06-08
81805 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Two Lakes
Date Collected1979-07-18
76785 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Maligne Lake
Date Collected1949-07-04
44639 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Whitehorse Wildland Park, Grave Flats
Date Collected1973-07-07
55238 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Saddle Hills
Date Collected1972-06-25
71945 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Red Deer River Provincial Recreation Area
Date Collected1974-06-18