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Thyme-leaf Broomspurge - Euphorbia serpyllifolia
Other Names:
Chamaesyce serpyllifolia, Euphorbia serpillifolia
Native Species
Global Rank:
G5
State Rank:
SNR
C-value:
3
Agency Status
USFWS:
USFS:
BLM:
External Links
General Description
Annual. Stems prostrate to ascending, 1–15 cm, highly branched. Herbage glabrous to sparsely villous. Leaves opposite, oblong to obovate, sometimes curved, serrate in the upper third, asymmetrical at the base, 3–12 mm long. Inflorescence: 1 to few cyathia in leaf axils. Cyathia 1 mm long or less; glands pink with white margins. Capsule 1.5–2 mm long; seeds lightly reticulate-wrinkled (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Species Range
Montana Range
Range Descriptions
Native
Range Comments
BC to MI, south to CA, TX and Mexico (Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
Number of Observations: 35
(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
Stewardship Responsibility
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?
Harvey, S.J. 1990. Responses of steppe plants to gradients of water soil texture and disturbance in Montana, U.S.A. Ph.D. Thesis. Bozeman, MT: Montana State University. 34 p.- 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.
- 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.
- Seipel, T.F. 2006. Plant species diversity in the sagebrush steppe of Montana. M.Sc. Thesis. Bozeman, MT: Montana State University. 87 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 "Thyme-leaf Broomspurge"
