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Montana Field Guide

Montana Field Guides

Little Larkspur - Delphinium bicolor

Native Species

Global Rank: G4G5
State Rank: S4S5

Agency Status
MNPS Threat Rank:
C-value: 4

External Links

General Description
Stems glabrous to puberulent and glandular,10–40 cm from woody, fibrous roots. Leaves mostly basal; the blades 2–10 cm wide; ultimate lobes to 6 mm wide. Inflorescence 3- to 12-flowered; lower flowers shorter than the puberulent pedicels. Flowers with spreading, deep blue sepals 10–25 mm long, the lower pair longer; upper petals white with blue markings; lower petals whitish to deep blue, the blade cleft 1/4 or less the length. Fruits, puberulent, 12–22 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are subspecies calcicola M.J. Warnock & Vanderhorst.

Species Range
Montana Range


Range Comments
BC to SK south to WA, WY and SD (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 766

(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)


  • Additional ReferencesLegend:   View Online Publication
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    • Chadde, S.W. 1985. Initial recovery patterns of southwestern Montana foothill range. M.Sc. Thesis. Bozeman, MT: Montana State University. 103 p.
    • Grove, A.J. 1998. Effects of Douglas fir establishment in southwestern Montana mountain big sagebrush communities. M. Sc.Thesis. Bozeman, MT: Montana State University. 150 p.
    • Johnson, T. W. 1982. An analysis of pack and saddle stock grazing areas in the Bob Marshall Wilderness. M.Sc.Thesis. Bozeman, MT: Montana State University. 105 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Steerey, W. F. 1979. Distribution, range use and population characteristics of Mule Deer associated with the Schafer Creek winter range, Bridger Mountains, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 119 p.
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Citation for data on this website:
Little Larkspur — Delphinium bicolor.  Montana Field Guide.  .  Retrieved on , from