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Montana Field Guide

Montana Field Guides

Rocky Mountain Aster - Ionactis stenomeres
Other Names:  Aster stenomeres

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Native Species

Global Rank: G4
State Rank: S4
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Perennial from a branched caudex. Stems sterile and fertile, erect, 8–30 cm. Herbage scabrous to hispid with villous stems. Leaves cauline, sessile, linear, entire, 1–3 cm long; the lowest deciduous. Inflorescence a solitary head; peduncles puberulent to villous. Involucre turbinate, 8–13 mm high; phyllaries linear-lanceolate, villous, glandular, keeled, scarious-margined. Rays 7 to 21, blue; ligules 1–2 cm long. Disk flowers yellow; corolla 7–9 mm long. Pappus in 2 series. Achenes linear-obovoid, 5–6 mm long, glandular (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
Endemic to southeast BC, central ID, adjacent 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: 16

(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
Open forest, meadows, sagebrush steppe, often in sandy soil; upper montane, lower subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).


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.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Forcella, F. 1977. Flora, chorology, biomass and productivity of the Pinus albicaulis-Vaccinium scoparium association. M.S. Thesis. Bozeman, MT: Montana State University. 99 pp.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • 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.
  • Web Search Engines for Articles on "Rocky Mountain Aster"
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Citation for data on this website:
Rocky Mountain Aster — Ionactis stenomeres.  Montana Field Guide.  .  Retrieved on , from