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Montana Field Guide

Montana Field Guides

Box-elder - Acer negundo

Native Species

Global Rank: G5
State Rank: S5

Agency Status
USFWS:
USFS:
BLM:
MNPS Threat Rank:
C-value: 3

External Links






 
General Description
Small dioecious trees to 15 m. Twigs glabrate to pilose. Leaves 3-
or -(rarely)5-foliolate; leaflets pubescent on veins beneath, lanceolate to ovate, coarsely few-toothed, 3–8 cm long; lateral pair asymmetric. Inflorescence: female flowers in pendent racemes from axillary buds; male flowers fascicled. Flowers unisexual, green; sepals ca. 1 mm long; petals absent. Samara 2–3 cm long, the seed ca. 1 cm long (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range

Year-round
 


Range Comments
Throughout temperate North America (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 91

(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
Riparian forest, woodlands, roadsides, fields; plains, valleys (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

References
  • Additional ReferencesLegend:   View Online Publication
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    • Baril, S.F. 1977. Benthic invertebrate distribution, abundance, and diversity in Rosebud Creek, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 97 p.
    • Brammer, J.A. 1991. The effects of supersaturation of dissolved gases on aquatic invertebrates of the Bighorn River downstream of Yellowtail Afterbay Dam. M. Sc. Thesis. Bozeman, MT: Montana State University. 132 p.
    • Egan, J.L. 1957. Some relationships between mule deer and alfalfa production in Powder River County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 34 p.
    • Eng, R.L. 1952. A two-summer study of the effects on bird populations of chlordane bait and aldrin spray as used forgrasshopper control. M.Sc. Thesis. Bozeman, MT: Montana State University. 27 p.
    • Gobeille, J.E. 1992. The effect of fire on Merriams turkey brood habitat in southeastern Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 61 p.
    • Jones, W. W. 1901. Preliminary flora of Gallatin County. M.S. Thesis. Bozeman, MT: Montana State College. 78 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.
    • Rauscher, R.L. 1995. Deer use of irrigated alfalfa along the Yellowstone River, Custer County, Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 50 p.
    • Scow, K.L. 1981. Ecological distribution of small mammals at Sarpy Creek, Montana, with special consideration of the Deer Mouse, Peromyscus maniculatus. M.Sc. Thesis. Bozeman, Montana: Montana State University. 73 p.
    • Selting, J.P. 1994. Seasonal use of agricultural lands by Mule Deer, White-Tailed Deer, and Pronghorn Antelope in Carter County, Montana. M.Sc. Thesis. Bozeman, Montana: Montana State University. 66 p.
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Citation for data on this website:
Box-elder — Acer negundo.  Montana Field Guide.  .  Retrieved on , from