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Montana Field Guide

Montana Field Guides

Urban Spurge - Euphorbia agraria
Other Names:  Shining Spurge

Non-native Species

Global Rank: GNR
State Rank: SNA

Agency Status
MNPS Threat Rank:
C-value: 1

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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Montana Range


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

Observations in Montana Natural Heritage Program Database
Number of Observations: 11

(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)

Predicted Suitable Habitat Model

This species has a Predicted Suitable Habitat Model available.

To learn how these Models were created see


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Citation for data on this website:
Urban Spurge — Euphorbia agraria.  Montana Field Guide.  .  Retrieved on , from