Arnica angustifolia Vahl
Alpine Arnica, Narrowleaf Arnica
Asteraceae (Aster Family)
USDA Symbol: ARAN5
A variable, tufted plant with a rosette of lance-shaped leaves and a single, slender stem rising 4-12 in. and bearing a large, single flower with toothed, yellow petals and yellow disks. Sometimes two smaller lateral heads occur in the axils of the uppermost leaves. Long, narrow basal leaves become reduced in size up the stem. All leaves are long-haired.
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Plant CharacteristicsDuration: Perennial
Root Type: Tap
Leaf Shape: Linear
Size Class: 0-1 ft.
Bloom InformationBloom Color: Yellow
Bloom Time: Jul , Aug
DistributionUSA: AK , CO , ID , MT , WY
Canada: AB , BC , MB , NL , NT , NU , ON , QC , SK , YT
Native Distribution: Circumboreal, s. in high mts. to B.C. & Alt. (reported from Beaverhead Mt., MT)
Native Habitat: Bare, rocky slopes & alpine summits
Growing ConditionsLight Requirement: Sun
Soil Moisture: Dry
Soil Description: Dry, sandy or rocky soils.
Conditions Comments: Not Available
PropagationDescription: Propagate by seed or division of rhizomes or mature plants. Seed germination is good.
Seed Collection: Not Available
Seed Treatment: Germination is enhanced by stratification.
Commercially Avail: yes
Additional resourcesUSDA: Find Arnica angustifolia in USDA Plants
FNA: Find Arnica angustifolia in the Flora of North America (if available)
Google: Search Google for Arnica angustifolia
MetadataRecord Modified: 2007-01-01
Research By: TWC Staff