Thyme-leaf Broomspurge - Euphorbia serpyllifolia
MNPS Threat Rank
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 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX)
BC to MI, south to CA, TX and Mexico (Lesica 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).
Observations in Montana Natural Heritage Program Database
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- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M.T. Lavin, and P.F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 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.