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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Arnica angustifolia (Narrowleaf arnica)
Weyand, Phyllis

Arnica angustifolia

Arnica angustifolia Vahl

Narrowleaf Arnica, Alpine Arnica

Asteraceae (Aster Family)

Synonym(s):

USDA Symbol: ARAN5

USDA Native Status: L48 (N), AK (N), CAN (N), GL (N)

A variable, tufted plant with a rosette of lance-shaped leaves and a single, slender stem rising 4-16 in. and bearing a large, single flower with toothed, yellow petals and yellow discs. 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 Characteristics

Duration: Perennial
Habit: Herb
Root Type: Tap
Leaf Shape: Linear
Size Notes: Up to about 16 inches tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: May , Jun , Jul , Aug , Sep

Distribution

USA: 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 Conditions

Light Requirement: Sun
Soil Moisture: Dry
Soil Description: Dry, sandy or rocky soils.

Propagation

Description: Propagate by seed or division of rhizomes or mature plants. Seed germination is good.
Seed Treatment: Germination is enhanced by stratification.
Commercially Avail: yes

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Arnica angustifolia in USDA Plants
FNA: Find Arnica angustifolia in the Flora of North America (if available)
Google: Search Google for Arnica angustifolia

Metadata

Record Modified: 2023-03-02
Research By: TWC Staff

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