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Montana Field Guide

Montana Field Guides

Dwarf Ipomopsis - Ipomopsis pumila
Other Names:  Gilia pumila

Native Species

Global Rank: G4
State Rank: S4
(see State Rank Reason below)

Agency Status


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State Rank Reason (see State Rank above)
Ipomopsis pumila is locally abundant on the south and west sides of the Pryor Mountains in Carbon County.
General Description
Stems erect, 3–20 cm, usually branched below, branches often as high as the main stem. Herbage villous on leaves; stems tomentose. Leaves: all cauline, 1–4 cm long; blades oblong in outline ternately to pinnately lobed; lobes linear, mucronate. Inflorescence few- to many-flowered, congested, axillary cymes. Flowers: calyx 5–6 mm long; corolla funnelform, light blue; tube 6–9 mm long; lobes 1–3 mm long. Capsule enclosed in the calyx, 3–5 mm long with several seeds per locule (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
Known from Carbon County; ID, MT south to AZ, NM and TX. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 59

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



(Observations spanning multiple months or years are excluded from time charts)

Open, sandy soil in Artemisia tridentata and Atriplex gardneri shrublands in the valleys and foothills.

As an annual, population sizes may undergo large annual fluctuations and may respond positively to light or moderate levels of disturbance.

The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus occidentalis (Pyke et al. 2012).

  • 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.
    • Pyke, G.H., D.W. Inouye, and J.D. Thomson. 2012. Local geographic distributions of bumble bees near Crested Butte, Colorado: competition and community structure revisited. Environmental Entomology 41(6): 1332-1349.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P. and P.L. Achuff. 1992. Distribution of vascular plant species of special concern and limited distribution in the Pryor Mountain desert, Carbon County, Montana. Unpublished report to the Bureau of Land Management. Montana Natural Heritage Program, Helena, MT. 105 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.
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Citation for data on this website:
Dwarf Ipomopsis — Ipomopsis pumila.  Montana Field Guide.  .  Retrieved on , from