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Montana Field Guides

Laurel Willow - Salix pentandra
Other Names:  Bay Willow

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:

External Links

General Description
Shrubs or small trees to 6 m tall. Twigs yellowish-green, shiny; branchlets spreading, dark brown and shiny. Petioles 5-10 mm long, glandular at summit. Stipules about 1 mm long, 2 mm wide, glandular dentate, deciduous or persistent for a short time. Leaf blades mostly 4-10 cm long, 2-3 cm wide, ovate to ovate-lanceolate, finelyi glandular-serrate, thick and leathery, dark green and glossy above, light green below. Catkings produced after leaves; pistlatte catkins 3-5 cm long, bracts pubescent, yellowish, caducous; stamens (4-)5(-12). Capusles 4-5 mm long, subsessile, bulging at base, glabrous (adapted from: Larson, 1986, in Flora of the Great Plains).

Range Comments
Canada , MT and WY east to WI and MN; Eurasia (Kartesz in prep. 2012).

Observations in Montana Natural Heritage Program Database
Number of Observations: 2

(Click on the following maps and charts to see full sized version) Map Help and Descriptions
Relative Density



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

Marshes borders, ditches, riparian areas and other moist places (Flora of the Great Plains, 1986).


  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • 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.
    • Rehder, A. 1927. Manual of Cultivated Trees and Shrubs Hardy in North America: Exclusive of the Subtropical and Warmer Temperate Regions. MacMillan Company, New York, New York. 930 p.
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Citation for data on this website:
Laurel Willow — Salix pentandra.  Montana Field Guide.  .  Retrieved on , from