Kellogg's Spurred Lupine - Lupinus caudatus
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).
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Kellogg's Spurred Lupine (Lupinus caudatus) Conservation Status Review
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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).
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:
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(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
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.