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Montana Field Guide

Montana Field Guides

Basil Thyme - Satureja acinos
Other Names:  Spring Savory, Acinos arvensis, Clinopodium acinos

Non-native Species

Global Rank: G5
State Rank: SNA
C-value: 1

Agency Status


External Links

General Description
Fibrous-rooted annual. Stems erect, often branched at the base, 5–20 cm. Herbage puberulent. Leaves short-petiolate; blades ovate, 5–12 mm long, entire or nearly so. Inflorescence of 1 to 3 pedicellate flowers in upper leaf axils. Flowers: calyx hispid, 4–6 mm long, lobes subequal; corolla pale purple, 7–10 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
Introduced sparingly to northern U.S.; native to Europe. Known from Powell 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: 3

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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 vagans (Colla and Dumesh 2010).


  • 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.
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Citation for data on this website:
Basil Thyme — Satureja acinos.  Montana Field Guide.  .  Retrieved on , from