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Montana Field Guide

Montana Field Guides

Tolmie's Owl's-clover - Orthocarpus tolmiei

Status Under Review
Native Species

Global Rank: G4
State Rank: SNR

Agency Status


External Links

General Description
Stems erect, usually simple,10–30 cm. Herbage glandular-puberulent. Leaves linear to linear-oblanceolate, entire, 2–4 cm long. Inflorescence bracts light green, lanceolate with a pair of linear lobes, glandular. Flowers: calyx 5–8 mm long, lobes 2–4 mm long, those adjacent to the galea longer; corolla 10–15 mm long, yellow, galea 3–5 mm long, upper lip hooked and projecting beyond the lower lip. Capsule 3–5 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions


Range Comments
ID, MT, UT and WY. Known from Gallatin County (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 1

(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)


The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus appositus, Bombus bifarius, Bombus centralis, and Bombus occidentalis (Thorp et al. 1983, Wilson et al. 2010, Williams et al. 2014).

  • 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.
    • Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
    • Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
    • 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?
    • 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:
Tolmie's Owl's-clover — Orthocarpus tolmiei.  Montana Field Guide.  .  Retrieved on , from