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Montana Field Guides

Laurel Willow - Salix pentandra

Exotic Species (not native to Montana)

Global Rank: GNR
State Rank: SNA

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

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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).

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

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.
    • 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