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Montana Field Guides

Twinflower - Linnaea borealis

Native Species

Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 4

External Links






 
General Description
Evergreen subshrub. Stems slender, trailing; short erect shoots 1–6 cm. Herbage glabrate to pubescent, glandular above. Leaf blades ovate to suborbicular, shallowly dentate above, 7–20 mm long. Inflorescence terminal, of 2 pedicellate, nodding flowers opposite each other on a scape 3–8 cm long. Flowers regular, 5-merous; sepals linear-lanceolate, 2–4 mm long; corolla funnelform, light pink, hairy within, 8–14 mm long; stamens 4. Fruit a round, glandular-hairy, ovate achene 1–2 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety longiflora Torrey.

Species Range
Montana Range

Year-round
 


Range Comments
Circumboreal south to CA, NM, IN and WV (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 3020

(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
Moist, cool, coniferous forest; valleys to lower subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Ament, R.J. 1995. Pioneer Plant Communities Five Years After the 1988 Yellowstone Fires. M.Sc. Thesis. Bozeman, MT: Montana State University. 216 p.
    • Aradottir, A.L. 1984. Ammonia volatilization from native grasslands and forests of SW Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 48 p.
    • Culver, D.R. 1994. Floristic analysis of the Centennial Region, Montana. M.Sc. Thesis. Montana State University, Bozeman. 199 pp.
    • 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.
    • 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.
    • 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.
    • Martinka, R.R. 1970. Structural characteristics and ecological relationships of male blue grouse (Dendragapus obscurus (Say)) territories in southwestern Montana. Ph.D Dissertation. Bozeman, MT: Montana State University. 73 p.
    • Morgan, J.T. 1993. Summer habitat use of white-tailed deer on the Tally Lake ranger district, Flathead National Forest. Ph.D. Dissertation. Montana State University, Bozeman. pp. 103.
    • Roe, L.S. 1992. Status review of Aquilegia brevistyla, USDA Forest Service, Region 1, Lewis & Clark National Forest. Unpublished report. Montana Natural Heritage Program, Helena, MT. 47 pp.
    • Schubloom, L.A. 1995. Lichens as air quality indicators in three areas of southwestern Montana: lichen floristics and elemental analysis. M.Sc. Thesis. Bozeman, MT: Montana State University. 130 p.
    • Simanonok, M. 2018. Plant-pollinator network assembly after wildfire. Ph.D. Dissertation. Bozeman, MT: Montana State University. 123 p.
    • Stansberry, B.J. 1991. Distribution, movements, and habitat use during spring, summer, and fall by mule deer in the North Salish Mountains, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 64 p.
    • Wood, M.A. 1981. Small mammal communities after two recent fires in Yellowstone National Park. M.Sc. Thesis. Bozeman, Montana: Montana State University. 58 p.
  • Web Search Engines for Articles on "Twinflower"
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Citation for data on this website:
Twinflower — Linnaea borealis.  Montana Field Guide.  .  Retrieved on , from