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Montana Field Guide

Montana Field Guides

Two-lobe Speedwell - Veronica biloba

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

External Links

General Description
Annual. Stems erect, simple or branched, 5–20 cm. Herbage glandular-pubescent. Leaves few, short-petiolate, deciduous; blades 5–20 mm long, elliptic, serrate. Inflorescence a terminal, viscid raceme; bracts lobed, leaf-like; pedicels 4–15 mm long. Flowers: calyx 2–4 mm long, swelling in fruit; corolla blue, 2–4 mm across; style 0.5–1 mm long. Capsule reniform to obcordate, deeply lobed, 3–4 mm high, glandular-hispid (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

Range Comments
Introduced in the western U.S., native to Eurasia (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 13

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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 and Bombus pensylvanicus (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.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
    • Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 p.
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Citation for data on this website:
Two-lobe Speedwell — Veronica biloba.  Montana Field Guide.  .  Retrieved on , from