Chamaesyce maculata (L.) Small
milk spurge (spotted sandmat)
Euphorbiaceae (Spurge family)

Introduction to Vascular Plants


© Rosemary Taylor     (Photo ID #60603)


E-Flora BC Static Map

Distribution of Chamaesyce maculata
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Species Information

Annual herb from a fibrous root; stems prostrate, softly hairy to bristly, with milky juice, 10-40 cm long.
Stem leaves opposite, obliquely oblong, 5-15 mm, long, often with a deep red central spot, somewhat toothed, hairy beneath, glabrous above; stipules linear, 0.5 mm long.
Inflorescence of several involucres solitary in the leaf-axils; involucres 1 mm long, stiffly-hairy, triangular-shaped; glands 4, yellow, conspicuous membranous appendages kidney-shaped, white to deep pink.
Capsules, 1.5 mm long, hairy; seeds 1 mm long, pinkish, sticky when wet, ridged and cross-corrugated.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Dry disturbed sites and waste places in the lowland zone; rare in SW and SC BC; introduced from S U.S.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Chamaesyce mathewsii Small
Chamaesyce preslii (Guss.) Arthur
Chamaesyce supina (Raf.) H. Hara
Chamaesyce tracyi Small
Euphorbia maculata auct. non L.
Euphorbia maculata L.
Euphorbia nutans Lag.
Euphorbia preslii Guss.
Euphorbia supina Raf.