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Montana Field Guide

Montana Field Guides

American Germander - Teucrium canadense

Status Under Review
Native Species

Global Rank: G5
State Rank: SU
C-value: 6

Agency Status


External Links

General Description
Rhizomatous perennial. Stems erect, 20–70 cm, mostly simple. Herbage strigose to hirsute. Leaves petiolate; blades lanceolate to ovate, serrate, 3–8 cm long, deciduous below. Inflorescence a terminal, spike-like, bracteate raceme. Flowers: calyx glandular, hirsute to villous, purplish, 5–7 mm long, the lower 2 lobes longer; corolla light purple, ca. 1 cm long, seemingly 1-lipped with 2 pairs of lateral lobes and a larger ovate middle lobe; stamens 4, exserted. Nutlets rounded on top, almost completely united (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety boreale (E.P. Bicknell) Shinners

Species Range

Range Comments
Throughout temperate North America (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 9

(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)

Moist meadows around streams, lakes; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus bimaculatus, and Bombus griseocollis (Colla and Dumesh 2010, Tripoldi and Szalanski 2015).

  • 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.
    • McGregor, R.L. (coordinator), T.M. Barkley, R.E. Brooks, and E.K. Schofield (eds). 1986. Flora of the Great Plains: Great Plains Flora Association. Lawrence, KS: Univ. Press Kansas. 1392 pp.
    • Tripoldi, A.D. and A.L. Szalanski. 2015. The bumble bees (Hymenoptera: Apidae: Bombus) of Arkansas, fifty years later. Journal of Melittology 50: doi:
  • Web Search Engines for Articles on "American Germander"
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Citation for data on this website:
American Germander — Teucrium canadense.  Montana Field Guide.  .  Retrieved on , from