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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/1-2909/12-72645. Accessed 13 Dec. 2024.
Specimen Information
There are 303 specimens of this Species.
40512 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park
Date Collected1971-07-22
38623 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Maligne Lake
Date Collected1971-07-20
39037 - 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
99606 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, RB Miller Biological Station
Date Collected1961-06-13
46606 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Cypress Hills Provincial Park, Nicholls Creek
Date Collected1945-06-16
28861 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Fairfax Lake
Date Collected1968-07-05
28794 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Nordegg
Date Collected1968-06-13
27686 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Medicine Lake
Date Collected1968-06-28
38864 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Crimson Lake Provincial Park, Crimson Lake
Date Collected1968-06-09
28816 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Wapiabi Creek
Date Collected1968-06-13
37323 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Brazeau River
Date Collected1968-07-04
108217 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Porcupine Hills
Date Collected1982-06-22
110578 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Siffleur Wilderness Area, Spreading Creek
Date Collected1981-08-02
76402 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Sunshine Village
Date Collected1971-08-05
27810 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, William A. Switzer Provincial Park, Jarvis Lake
Date Collected1968-06-17
38161 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Whitehorse Creek Provincial Recreation Area
Date Collected1971-07-09
28977 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Whitehorse Wildland Park
Date Collected1970-07-23
45138 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Ram Falls
Date Collected1972-07-14
44915 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Surprise Lake
Date Collected1973-06-22
39961 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Swan Dive Tower
Date Collected1968-08-07
28540 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Cline River
Date Collected1968-06-11