Search Field Guide
Advanced Search
MT Gov Logo
Montana Field Guide

Montana Field Guides

Horned Spurge - Euphorbia brachycera
Other Names:  Euphorbia robusta

Native Species

Global Rank: G5
State Rank: SNR
C-value:


Agency Status
USFWS:
USFS:
BLM:


 

External Links






 
General Description
Small perennial from a branched caudex. Stems erect, 8–20 cm, simple. Herbage glabrous to puberulent (Carbon Co.). Leaves alternate, ovate with acute tips, entire, 6–15 mm long. Inflorescence a dichotomously branched umbel with leaf-like bracts. Cyathia 2–3 mm long, glands with yellow to red, lunate appendages. Capsule 3–5 mm long, papillose (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Species Range
Present
 


Range Comments
MT to MN south to AZ and NM (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

Observations in Montana Natural Heritage Program Database
Number of Observations: 39

(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
Usually sandy or gravelly soil of grasslands, sagebrush steppe, woodlands; plains, valleys (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).

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?
    • Quire, R.L. 2013. The sagebrush steppe of Montana and southeastern Idaho shows evidence of high native plant diversity, stability, and resistance to the detrimental effects of nonnative plant species. M.Sc. Thesis. Bozeman, MT: Montana State University. 124 p.
  • Web Search Engines for Articles on "Horned Spurge"
Login Logout
Citation for data on this website:
Horned Spurge — Euphorbia brachycera.  Montana Field Guide.  .  Retrieved on , from