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

Euphorbia cyparissias L.
cypress spurge
Euphorbiaceae (Spurge family)

Introduction to Vascular Plants

© Bryan Kelly-McArthur  Email the photographer   (Photo ID #89143)

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Distribution of Euphorbia cyparissias
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Species Information

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Perennial herb from a stout creeping rhizome; stems erect, simple below but freely branching above, glabrous, with milky juice, 15-30 cm tall.
Stem leaves alternate, lower leaves linear, 1-3 cm long, 1-3 mm wide, glabrous, leaves of axillary upper branches more numerous and narrower.
Inflorescence of many-rayed umbrella-shaped clusters; floral bracts oval to heart-shaped; involucres 3 mm long, bell-shaped; glands reddish-green, horned.
Capsules, finely warty; seeds 2 mm long, pale yellow, glabrous.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry roadsides, fields and waste places in the lowland zone; rare in SW BC; introduced from Eurasia.

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.

Synonyms and Alternate Names

Galarhoeus cyparissias (L.) Small ex Rydb.
Tithymalus cyparissias (L.) Hill

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References