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Montana Field Guide

Montana Field Guides

Norway Maple - Acer platanoides

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Non-native Species

Global Rank: GNR
State Rank: SNA
C-value: 1


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Monoecious trees to 30 m. Twigs purplish, glabrate. Leaves glandular at first, cordate, 5- or 7-lobed up to 1/2-way to the midvein, 6–20 cm wide, deeply toothed, deep green; petioles with white sap. Inflorescence erect panicles from short, side shoots. Flowers unisexual, yellow; sepals 4–5 mm long; petals 3–5 mm long. Samara 30–55 mm long, the seed 10–15 mm long (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Range Comments
An introduced ornamental escaping in eastern North America, sporadically in the west; native to Europe (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 115

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Relative Density

Recency

 

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



Habitat
Riparian forest, lawns, gardens; valleys of Missoula Co (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Management


References
  • Literature Cited AboveLegend:   View Online Publication
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.
  • Additional ReferencesLegend:   View Online Publication
    Do you know of a citation we're missing?
    • Lesica, P., M.T. Lavin, and P.F. Stickney. 2022. Manual of Montana Vascular Plants, Second Edition. Fort Worth, TX: BRIT Press. viii + 779 p.
  • Web Search Engines for Articles on "Norway Maple"
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Citation for data on this website:
Norway Maple — Acer platanoides.  Montana Field Guide.  .  Retrieved on , from