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Montana Field Guides

Silky Scorpion-weed - Phacelia sericea

Native Species

Global Rank: G5
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 5

External Links






 
General Description
Perennial, often with a branched caudex. Stems ascending to erect, usually simple, 10–45 cm. Herbage strigose to sericeous. Leaves mostly basal; the blade 2–8 cm long, lanceolate to ovate, deeply pinnately lobed into linear to oblanceolate, entire to lobed segments. Inflorescence a densely flowered, compound, terminal cyme. Flowers: calyx hispid 3–5 mm long; corolla campanulate, purple, pubescent, 5–8 mm long, lobes 2–4 mm long; stamens >2 times as long as corolla; style exserted, divided <1/2-way. Seeds several, reticulate (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety sericea.

Species Range
Present
 


Range Comments
BC, AB south to CA and CO (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 70

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density

Recency

 

(Observations spanning multiple months or years are excluded from time charts)



Habitat
Talus slopes, fellfields, rock outcrops, grasslands, open forest, stream banks, roadsides; montane to alpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Hawkins, P.H. 1903. The alpine flora of Montana. M.Sc. Thesis, Bozeman, MT: Montana State University. 24 pp.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 pp.
    • Joslin, G.J. 1975. Behavior and environmental selection by Elk (Cervus canadensis nelsoni) during surrmer and fall in the First and Second Yellow Mule drainages, Madison County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University, Bozeman. 65 p.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Martin, S.A. 1985. Ecology of the Rock Creek bighorn sheep herd, Beartooth Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 152 p.
    • Saunders, J.K., Jr. 1954. A two-year investigation of the food habits and range use of the Rocky Mountain goat in the Crazy Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 22 p.
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
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Citation for data on this website:
Silky Scorpion-weed — Phacelia sericea.  Montana Field Guide.  .  Retrieved on , from