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Arnica cordifolia - Hook.

Common Name Heartleaf Arnica
Family Asteraceae or Compositae
USDA hardiness Coming soon
Known Hazards The whole plant is toxic and should only be used for external applications to unbroken skin[172].
Habitats Woodlands in foothills up to high elevations in mountains[60].
Range Western N. America - Alaska to New Mexico.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (2 of 5)
Care
Fully Hardy Moist Soil Semi-shade Full sun
Arnica cordifolia Heartleaf Arnica


http://www.flickr.com/photos/7147684@N03/
Arnica cordifolia Heartleaf Arnica
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 533.

 

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Summary


Physical Characteristics

 icon of manicon of flower
Arnica cordifolia is a PERENNIAL growing to 0.5 m (1ft 8in).
It is hardy to zone (UK) 2. It is in flower in July. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects.
Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: acid and neutral soils. It can grow in semi-shade (light woodland) or no shade. It prefers moist soil.

UK Hardiness Map US Hardiness Map

Synonyms

Habitats

Woodland Garden Sunny Edge;

Edible Uses

None known

Medicinal Uses

Plants For A Future can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Antiecchymotic  Antiphlogistic  Nervine  Salve  Sternutatory  Vulnerary

The whole plant is antiecchymotic, antiphlogistic, nervine, sternutatory and vulnerary[172]. When applied intravenously or orally it causes a rise in body temperature[212]. All parts of the plant may be used[212], but the flowers are used in preference to the root[207, 212]. They have a discutient property and a tincture is used as an external application to swellings, sprains, bruises and wounds[207, 257]. A salve applied to cuts helps to keep down infections[212].

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Other Uses

Hair

This plant is used as a hair conditioner[172]. No further details are given.

Special Uses

Cultivation details

Prefers a moist, well-drained humus rich soil, preferably lime-free[200]. Prefers a mixture of sand, loam and peat[1].

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Propagation

Seed - sow early spring in a cold frame[200]. Only just cover the seed and make sure that the compost does not dry out. When large enough to handle, prick the seedlings out into individual pots and grow them on in the greenhouse or cold frame for their first winter. Plant out in late spring or early summer. Division in spring[200].

Other Names

If available other names are mentioned here

Found In

Countries where the plant has been found are listed here if the information is available

Weed Potential

Right plant wrong place. We are currently updating this section. Please note that a plant may be invasive in one area but may not in your area so it’s worth checking.

Conservation Status

IUCN Red List of Threatened Plants Status :

Related Plants
Latin NameCommon NameHabitHeightHardinessGrowthSoilShadeMoistureEdibleMedicinalOther
Arnica angustifolia alpinaMountain TobaccoPerennial0.5 3-7  LMHSNM03 
Arnica diversifoliaRayless arnicaPerennial0.3 0-0  LMHSNM01 
Arnica fulgensHillside Arnica, Foothill arnicaPerennial0.6 4-8  LMHSNM02 
Arnica montanaArnica, Mountain arnicaPerennial0.3 5-9  LMHSNM03 
Senecio pseudoarnicaSeaside RagwortPerennial0.5 -  LMNM11 

 

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Expert comment

Author

Hook.

Botanical References

60200

Links / References

For a list of references used on this page please go here

Readers comment

   Jun 3 2011 12:00AM

I have used Arnica Cordifolia for sore, strained and bruised muscles. Externally rubbed extracted oils from the flower on the injured site and found bruising, soreness, and muscle strains to be repaired much more quickly than I had anticipated. I believe the richness of the soils, and amount of direct solar hours on the plant increases the fragrance and medicinal chemicals which in turn increases efficacy. I love to partake in a scientific study/experiment of the healing properties of the Heart Leaf Arnica which grows on our south facing rich soil sites.

   Jun 3 2011 12:00AM

I have used Arnica Cordifolia for sore, strained and bruised muscles. Externally rubbed extracted oils from the flower on the injured site and found bruising, soreness, and muscle strains to be repaired much more quickly than I had anticipated. I believe the richness of the soils, and amount of direct solar hours on the plant increases the fragrance and medicinal chemicals which in turn increases efficacy. I love to partake in a scientific study/experiment of the healing properties of the Heart Leaf Arnica which grows on our south facing rich soil sites.

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