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Montana Field Guides

Kellogg's Spurred Lupine - Lupinus caudatus

Status Under Review
Undetermined Origin

Global Rank: G5
State Rank: SNA
(see State Rank Reason below)

Agency Status
MNPS Threat Rank:

External Links

State Rank Reason (see State Rank above)
Reported for Montana (Dorn 1984). Taxonomy and specimen identification a problem. Taxonomic issues of this group need to be resolved, as well as identification of Montana specimens. Not reported for MT by Lesica (2012).
General Description
Perennial with shortly branching caudex; stems 1-several, 20-40(-60) cm tall, strigose. Petioles twice the length of blades or the upper ones shorter than blades. Leaves mainly cauline; leaflets 7-9, 2-5 cm long, acute or rarely rounded, equally hairy on both surfaces. Racemes terminal, 6-20 cm long. Flowers 10-12 mm long, calyx 3-4 mm long, base spurred or strongly saccate, upper lob bidentate, lower lobe entire; upper lobe bidentate, lower lobe entire; corrola light to deep blue or purple; banner lighter blue or whitish in the middle, reflected, normally hairy in the middle of lower half; wings glabrous or hairy near the base; keel ciliate. Pods 2-2.5 cm long, silky; seeds 4-4.5 mm long, smooth (adapted from: McGregor, 1986, Flora of the Grea Plains).

Species Range

Range Comments
WA to CA, east to TX and barely into SD and OK, the distribution centered in the Great Basin between the Sierra Madres and western slope of the Rocky Mountains (Kartesz in prep. 2012).

Observations in Montana Natural Heritage Program Database
Number of Observations: 68

(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)

Rare in rocky prairie and gravelly stremas valleys (McGregor, 1986, in Flora of the Great Plains).

  • 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.
    • 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:
Kellogg's Spurred Lupine — Lupinus caudatus.  Montana Field Guide.  .  Retrieved on , from