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Montana Field Guide

Montana Field Guides

Pussy Willow - Salix discolor


Global Rank: G5
State Rank: S3S4
* (see State Rank Reason below)

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

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State Rank Reason (see State Rank above)
Salix discolor is known from 21 widely scattered locations in Montana from 1911-2010. Plants have been found in city parks that have some native habitat, along roads and a diversion dam, in or adjacent to orchards and homesteads, and in native, un-impaired habitats. Current data is needed on the twelve locations found prior to 1970. This species resembles Salix planifolia and could be overlooked.
 
General Description
Shrub to 10 m high. Twigs brown and hairy at first, soon black and glabrous. Leaf blades 3–8 cm long, lanceolate to obovate, entire to weakly crenate margins, becoming glabrous, glaucous beneath. Female catkins emerge before the leaves, 2–6 cm long, sessile; scales brown to black, long-hairy. Capsules long-beaked, pubescent, 6–8 mm long; stipe ca. 1 mm long; style ca. 0.5 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
BC to NL south to CO, SD, IN and NC (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Summary of Observations Submitted for Montana
Number of Observations: 20

(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

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.
    • Little, E.L., Jr. 1979. Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. U.S. Forest Service, Washington, D.C. 375 pp.
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Citation for data on this website:
Pussy Willow — Salix discolor.  Montana Field Guide.  .  Retrieved on , from