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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/1-2909/12-113322. Accessed 13 Dec. 2024.
Specimen Information
There are 303 specimens of this Species.
88761 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Mountain Park
Date Collected1977-07-24
55239 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Swan Hills
Date Collected1972-07-12
38582 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Cypress Hills Provincial Park, Reesor Lake
Date Collected1971-06-16
39045 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, North Kootenay Mountain
Date Collected1971-07-16
76111 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Fox Creek
Date Collected1974-07-17
37912 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Cameron Lake
Date Collected1971-06-16
24146 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, George Lake
Date Collected1964-06-12
16857 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Stoney Squaw Mountain
Date Collected1915-06
77600 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Fox Creek
Date Collected1974-07-17
16849 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Grimshaw
Date Collected1931-07-12
24500 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Winfield
Date Collected1963-06-19
22549 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Wintering Hills
Date Collected1958-07-08
16851 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Saddle Hills
Date Collected1947-07-23
16854 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Swan Hills
Date Collected1961-08-08
16850 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Cottonwood Creek
Date Collected1939-06-12
16861 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Nordegg
Date Collected1953-07-15
16853 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Saddle Hills
Date Collected1948-07-29
16860 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Banff
Date Collected1915-08
16855 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Waterton Park
Date Collected1939-08-23
16862 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Crowsnest Forest Reserve
Date Collected1944-07-17
24735 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Columbia Icefield
Date Collected1964-08-20