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Montana Field Guide

Montana Field Guides

Gray Willow - Salix glauca


Global Rank: G5
State Rank: S4

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

External Links






 
General Description
Shrubs 20–100 cm. Twigs dark, pubescent. Leaf blades 2–5 cm long, elliptic with entire margins, hairy to glabrous above, sparsely hairy, glaucous below. Female catkins 1–6 cm long, emerging with the leaves on leafy branchlets 5–20 mm long; scales brown, long-hairy. Capsules densely hairy, 4–7 mm long; stipes 0.5–1 mm long; style 0.5–1 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Our plants are variety villosa Andersson.

Species Range
Present
 


Range Comments
Circumpolar south to UT and NM (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 12

(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 meadows, limestone talus slopes, often along streams or where snow lies late; alpine, subalpine (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
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Citation for data on this website:
Gray Willow — Salix glauca.  Montana Field Guide.  .  Retrieved on , from