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Montana Field Guide

Montana Field Guides

Tweedy's Willow - Salix tweedyi

Native Species

Global Rank: G4
State Rank: S4

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 7

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General Description
Shrubs to 4 m. Twigs stout, villous. Leaf blades 2–8 cm long, broadly lanceolate to ovate with glandular-denticulate margins, glabrous to sparsely hairy, glaucous below. Female catkins 3–9 cm long, emerging before the leaves, sessile; scales dark, long-hairy. Capsules glabrous, 3–7 cm long; stipes 0.2–1 mm long; style 1–2 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC, MT south to WA, ID and WY (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 4

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Relative Density

Recency

 

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



Habitat
Along streams and in wet meadows around lakes; subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Argus, G. 2010. Salix. In: Flora of North America Editorial Committee, eds. 1993+. Flora of North America North of Mexico. 16+ vols. New York and Oxford. Vol. 7.
    • Dorn, R.D. 2010. The genus Salix in North America north of Mexico. 59 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's Willow — Salix tweedyi.  Montana Field Guide.  .  Retrieved on , from