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Montana Field Guides

Western Honeysuckle - Lonicera caerulea var. cauriana

Native Species

Global Rank: G5T5
State Rank: S3S4
(see State Rank Reason below)

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

External Links






State Rank Reason (see State Rank above)
Lonicera caerula variety cauriana occurs in southwest Montana where it seems well represented. It grows in wet meadows, fens, and other wetlands at moderate to high elevations. Populations appear to be stable, growing in habitats with few to no threats. Current data on locations, population sizes, and threats is needed.
  • Details on Status Ranking and Review
    Western Honeysuckle (Lonicera caerulea var. cauriana) Conservation Status Review
    Review Date = 08/28/2018
    View State Conservation Rank Criteria
    Range Extent

    ScoreE - 5,000-20,000 sq km (~2,000-8,000 sq mi)

    Area of Occupancy

    ScoreE - 26-125 4-km2 grid cells

    Number of Populations

    ScoreC - 21 - 80

    Number of Occurrences or Percent Area with Good Viability / Ecological Integrity

    ScoreC - Few (4-12) occurrences with excellent or good viability or ecological integrity

    Environmental Specificity

    ScoreB - Narrow. Specialist or community with key requirements common

    Threats

    ScoreD - Low

    CommentNo known threats.

 
General Description
Shrubs. Stems erect, branched 20–80 cm; twigs sparsely villous. Leaf blades oblanceolate to obovate, 2–7 cm long, rounded at the tip, sparsely villous beneath. Inflorescence: peduncles 2–8 mm long; lower 2 bracts linear, green; upper bracts brown, enclosing the ovaries. Flowers: corolla yellow, 9–13 mm long, glabrate; lobes about as long as the tube. Berry red (glaucous-blue), about 1 cm long, born in the cup formed by the bracts (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety cauriana (Fernald) B. Boivin.

Range Comments
Circumboreal south to CA, NV, WY, MN and PA (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 44

(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
Organic soil of wet meadows, fens, thickets; montane, subalpine (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Ecology
POLLINATORS
The following animal species have been reported as pollinators of this plant species or its genus where their geographic ranges overlap: Bombus vagans, Bombus appositus, Bombus auricomus, Bombus fervidus, Bombus melanopygus, Bombus mixtus, Bombus nevadensis, Bombus pensylvanicus, Bombus bimaculatus, Bombus griseocollis, and Bombus impatiens (Plath 1934, Macior 1968, Thorp et al. 1983, Wilson et al. 2010, Colla and Dumesh 2010, Colla et al. 2011, Williams et al. 2014).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Colla, S., L. Richardson, and P. Williams. 2011. Bumble bees of the eastern United States. Washington, DC: USDA Forest Service, Pollinator Partnership. 103 p.
    • Colla, S.R. and S. Dumesh. 2010. The bumble bees of southern Ontario: notes on natural history and distribution. Journal of the Entomological Society of Ontario 141: 39-68.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
    • Macior, L.M. 1968. Bombus (Hymenoptera, Apidae) queen foraging in relation to vernal pollination in Wisconsin. Ecology 49:20-25.
    • Plath, O.E. 1934. Bumblebees and their ways. New York, NY: Macmillan Company. 201 p.
    • Thorp, R.W., D.S. Horning, and L.L. Dunning. 1983. Bumble bees and cuckoo bumble bees of California (Hymenoptera: Apidae). Bulletin of the California Insect Survey 23:1-79.
    • Williams, P., R. Thorp, L. Richardson, and S. Colla. 2014. Bumble Bees of North America. Princeton, NJ: Princeton University Press. 208 p.
    • Wilson, J.S., L.E. Wilson, L.D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, USA, with floral associations. Western North American Naturalist 70(2): 198-207.
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Citation for data on this website:
Western Honeysuckle — Lonicera caerulea var. cauriana.  Montana Field Guide.  .  Retrieved on , from