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Montana Field Guide

Montana Field Guides

Tweedy Snowlover - Chionophila tweedyi

Native Species

Global Rank: G4
State Rank: S4
(see State Rank Reason below)

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

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State Rank Reason (see State Rank above)
Regional endemic that can be locally common in suitable habitat.
 
General Description
Perennial from a simple or few-branched caudex. Stems erect, simple, 3–30 cm. Herbage glabrous below, glandular-pubescent above. Leaves: the basal petiolate, the blades oblanceolate, 1–4 cm long; cauline leaves opposite, 1 or 2 pairs, lanceolate, sessile, 5–12 mm long. Inflorescence a terminal, secund raceme of 4 to 10 solitary flowers in axils of paired bracts. Flowers: calyx 3–6 mm long with 5 lobes ca. as long as the tube; corolla white and lavender, 9–13 mm long, tubular, bilabiate, the 5 lobes nearly equal; stamens 4; stigma capitate. Capsule ovate, 6–9 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
Endemic to southwest MT and adjacent ID (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 7

(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
Granitic soil of open forest, meadows, rock outcrops, most common in whitebark pine or subalpine larch forests; subalpine, alpine (Lesica 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 bifarius, Bombus flavifrons, Bombus melanopygus, Bombus sylvicola, Bombus occidentalis, and Bombus kirbiellus (Macior 1974, Miller-Struttmann and Galen 2014).

References
  • Literature Cited AboveLegend:   View Online Publication
    • Macior, L.M. 1974. Pollination ecology of the Front Range of the Colorado Rocky Mountains. Melanderia 15: 1-59.
    • Miller-Struttmann, N.E. and C. Galen. 2014. High-altitude multi-taskers: bumble bee food plant use broadens along an altitudinal productivity gradient. Oecologia 176:1033-1045.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Forcella, F. 1977. Flora, chorology, biomass and productivity of the Pinus albicaulis-Vaccinium scoparium association. M.S. Thesis. Bozeman, MT: Montana State University. 99 pp.
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
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Citation for data on this website:
Tweedy Snowlover — Chionophila tweedyi.  Montana Field Guide.  .  Retrieved on , from