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Montana Field Guide

Montana Field Guides

Urban Spurge - Euphorbia agraria
Other Names:  Shining Spurge

Image Copyright and Usage Information
Non-native Species

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


Agency Status
USFWS:
USFS:
BLM:


 

External Links

 
General Description
Glabrous perennial with spreading roots. Stems erect, 30–70 cm. Leaves alternate, oblong to ovate, entire, cordate, 25–45 mm long. Inflorescence a terminal umbel with yellow-green, reniform bracts and solitary, bracteate cyathia in upper leaf axils. Cyathia 2–3 mm long; the 4 yellowish glands with a lunate appendage. Capsule 2–3 mm long, rugose (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range Range Descriptions

Non-native
 


Range Comments
Introduced sporadically to northern U.S.; native to Europe; known from Sweet Grass and Wheatland counties (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 13

(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
Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see mtnhp.org/models

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.
    • Stein, G. 2011. Euphorbia 'flowers', an introduction to the amazing Cyathia. https://davesgarden.com/guides/articles/view/3208
  • Web Search Engines for Articles on "Urban Spurge"
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Citation for data on this website:
Urban Spurge — Euphorbia agraria.  Montana Field Guide.  .  Retrieved on , from