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Arnica diversifolia - Greene.

Common Name Rayless 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 Rocky places from moderate to high elevations in mountains[60].
Range Western N. America - Alaska to California.
Edibility Rating    (0 of 5)
Other Uses    (0 of 5)
Weed Potential No
Medicinal Rating    (1 of 5)
Care (info)
Moist Soil Semi-shade Full sun
Arnica diversifolia Rayless arnica


Ralph Faust @ USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento.
Arnica diversifolia Rayless arnica
USDA-NRCS PLANTS Database / USDA NRCS. Wetland flora: Field office illustrated guide to plant species. USDA Natural Resources Conservation Service.

 

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Summary


Physical Characteristics

 icon of manicon of flower
Arnica diversifolia is a PERENNIAL growing to 0.3 m (1ft). The species is hermaphrodite (has both male and female organs) and is pollinated by Apomictic (reproduce by seeds formed without sexual fusion), insects. The plant is self-fertile.
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

References

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  Sternutatory  Vulnerary

Antiecchymotic, antiphlogistic, nervine, sternutatory, vulnerary[172].

References

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An important new book from PFAF. It focuses on the attributes of plants suitable for food forests, what each can contribute to a food forest ecosystem, including carbon sequestration, and the kinds of foods they yield. The book suggests that community and small-scale food forests can provide a real alternative to intensive industrialised agriculture, and help to combat the many inter-related environmental crises that threaten the very future of life on Earth.

Read More

FOOD FOREST PLANTS

Other Uses

Hair

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

Special Uses

References

Cultivation details

We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most parts of this country. This is a convenient name for a complex of apparent hybrids involving A. mollis or A. amplexicaulis with A. cordifolia or A. latifolia[60]. The following notes are based on the general needs of the genus. Prefers a moist, well-drained humus rich soil, preferably lime-free. Prefers a mixture of sand, loam and peat.

References

Temperature Converter

Type a value in the Celsius field to convert the value to Fahrenheit:

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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 cordifoliaHeartleaf ArnicaPerennial0.5 0-0  LMHSNM02 
Arnica fulgensHillside Arnica, Foothill arnicaPerennial0.6 4-8  LMHSNM02 
Arnica montanaArnica, Mountain arnicaPerennial0.3 5-9  LMHSNM03 
Senecio pseudoarnicaSeaside RagwortPerennial0.5 -  LMNM11 

Growth: S = slow M = medium F = fast. Soil: L = light (sandy) M = medium H = heavy (clay). pH: A = acid N = neutral B = basic (alkaline). Shade: F = full shade S = semi-shade N = no shade. Moisture: D = dry M = Moist We = wet Wa = water.

 

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Expert comment

Author

Greene.

Botanical References

60

Links / References

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