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Narrowleaf Arnica - Arnica angustifolia
Other Names:
Arnica alpina
Native Species
Global Rank:
G5
State Rank:
S4
C-value:
6
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Stems solitary, erect, 5–25 cm. Herbage glandular, villous. Leaves: basal and cauline similar; blades entire, narrowly lanceolate, 2–7 cm long; basal leaves petiolate; stem leaves 1 to 3 pairs, becoming sessile. Heads solitary; involucre campanulate, 10–15 mm high, densely villous. Rays 9 to 14; ligules 1–2 cm long. Pappus short-barbed, white. Achenes hirsute, 3–8 mm long (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Our plants are subspecies
tomentosa (J.M. Macoun) G.W. Douglas & Ruyle-Douglas.
Species Range
Montana Range
Range Descriptions
Native
Range Comments
Circumpolar south to MT (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 20
(Click on the following maps and charts to see full sized version)
Map Help and Descriptions
Relative Density
Recency
(Observations spanning multiple months or years are excluded from time charts)
Habitat
Stony, calcareous soil of exposed ridges, talus slopes; upper subalpine to alpine (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Ecology
POLLINATORS The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap:
Bombus bifarius,
Bombus mixtus, and
Bombus occidentalis (Mayer et al. 2000, Wilson et al. 2010).
Stewardship Responsibility
References
- Literature Cited AboveLegend:
View Online Publication- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
Mayer, D.F., E.R. Miliczky, B.F. Finnigan, and C.A. Johnson. 2000. The bee fauna (Hymenoptera: Apoidea) of southeastern Washington. Journal of the Entomological Society of British Columbia 97: 25-31.- Wilson, J.S., L.E. Wilson, L.D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70(2): 198-207.
- Additional ReferencesLegend: View Online Publication
Do you know of a citation we're missing?- Harvey, S.J. 1990. Responses of steppe plants to gradients of water soil texture and disturbance in Montana, U.S.A. Ph.D. Thesis. Bozeman, MT: Montana State University. 34 p.
- Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
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