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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.
26152 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Livingstone Falls Provincial Recreation Area
Date Collected1956-07-12
16852 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Spirit River
Date Collected1948-07-27
23945 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Crowsnest Forest Reserve
Date Collected1955-06-26
84818 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Mountain Park
Date Collected1975-07-02
94656 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Waterton Lakes National Park, Mount Galwey
Date Collected1970-06-05
39340 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Saskatoon Mountain
Date Collected1971-06-17
16856 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Forty Mile Creek
Date Collected1916-08-09
76786 - 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
16848 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Banff
Date Collected1923-06-20
16859 - 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 Collected1915-08
16846 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Mountain Park
Date Collected1948
16847 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Mercoal
Date Collected1950-08-06
90142 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Mount Baldy
Date Collected1974-07-22
65876 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Mount Edith Cavell
Date Collected1949-08-11
72325 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Kananaskis Country, Gorge Creek
Date Collected1966-06-12
65877 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Mount Norquay
Date Collected1937-08-28
65871 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Honeymoon Lake
Date Collected1949-08-03
65880 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park
Date Collected1939-07-25
16858 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Cascade Mountain
Date Collected1916-08-23
65879 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Banff National Park, Lake Louise
Date Collected1961-08-09
25856 - Arnica cordifolia Hook.
University of Alberta Vascular Plant Herbarium
Common Nameheart-leaved arnica
Place CollectedNorth America: Canada, Alberta, Jasper National Park, Mount Edith Cavell
Date Collected1958-08-15