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Montana Field Guide

Montana Field Guides

Spurless Touch-me-not - Impatiens ecalcarata

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Potential Species of Concern
Native Species

Global Rank: G3G4
State Rank: S3S4
State Threat Score: No Known Threats
C-value: 4


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Stems erect, branched, 30–80 cm. Leaf blades 2–8 cm long; petioles 1–4 cm long. Flowers orange, 10–18 mm long; saccate sepal not spurred. Capsule 8–15 mm long. (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Native
 


Range Comments
BC, MT south to OR (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 15

(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
Wet, usually organic soil of thickets, swamp forest, marshes, streambanks, ditches; valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see mtnhp.org/models

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus fervidus, Bombus ternarius, and Bombus impatiens (Plath 1934, Heinrich 1976, Colla and Dumesh 2010, Williams et al. 2014).


References
  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141:39-68.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Plath, O.E. 1934. Bumblebees and their ways. New York, NY: Macmillan Company. 201 p.
    • Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • 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:
Spurless Touch-me-not — Impatiens ecalcarata.  Montana Field Guide.  .  Retrieved on , from