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Montana Field Guide

Montana Field Guides

Narrowleaf Cottonwood - Populus angustifolia

Native Species

Global Rank: G5
State Rank: S4

Agency Status
MNPS Threat Rank:
C-value: 5

External Links

General Description
Tree 5–20 m with ascending branches. Bark light brown, becoming furrowed. Leaf blades lanceolate with cuneate bases, 2.5 or more times as long as wide, 4–11 cm long, glaucous below, with petioles 1/3 or less length of blade. Female catkins 3–12 cm long; stigmas 2. Capsules 3–6 mm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range

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

Observations in Montana Natural Heritage Program Database
Number of Observations: 76

(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)


  • Additional ReferencesLegend:   View Online Publication
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    • 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:
Narrowleaf Cottonwood — Populus angustifolia.  Montana Field Guide.  .  Retrieved on , from