E-Flora BC: Electronic Atlas of the Flora of British Columbia

Chamaesyce serpyllifolia (Pers.) Small
Thyme-leaved Spurge (thymeleaf sandmat)
Euphorbiaceae (Spurge family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #19596)

E-Flora BC Static Map
Distribution of Chamaesyce serpyllifolia
Click here to view our interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Annual herb from a fibrous root; stems usually prostrate, freely branched with milky juice, 5-30 cm long.
Obliquely oblong to more oblong egg-shaped, toothed near the tip, 5-15 mm long; stipules at the base lanceolate, irregularly margined, 0.5-1.5 mm long.
Inflorescence of small clusters of axillary involucres; involucres 1 mm long, bell-shaped; glands 4, with sunken centres, appendages whitish, lobed or small-toothed.
Capsules, 1.5-2 mm long, glabrous; seeds 1.2 mm long, greyish-brown, sticky when wet, pitted to wrinkled or cross-corrugated.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry, sandy or gravelly sites in the lowland and steppe vegetation zones; rare on S Vancouver Island and SC BC; E to MB and S to MO, TX, NM, CA and MX.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References