Dwarf Ipomopsis - Ipomopsis pumila
(see State Rank Reason below)
MNPS Threat Rank
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.
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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
Known from Carbon County; ID, MT south to AZ, NM and TX. (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(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.
- Additional ReferencesLegend: View Online Publication
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- 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 Unpublished report to the Bureau of Land Management.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. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.