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

Polycarpon tetraphyllum (L.) L.
four-leaved all-seed (fourleaf manyseed)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants

© Frank Lomer  Email the photographer   (Photo ID #27340)

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Distribution of Polycarpon tetraphyllum
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Species Information

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Annual herb from a slender taproot; stems prostrate to erect, much branched, glabrous, 5-15 cm tall.
Basal leaves lacking; stem leaves opposite, egg-shaped, 8-13 mm long, narrowed at the base, blunt, the lower pairs so close as to appear like whorls of 4; stipules small, triangular and long-pointed, papery.
Inflorescence of numerous flowers in a much-branched cluster; petals 5, white, narrowly oblong, 1-1.5 mm long, soon falling; sepals 5, 1-1.5 mm long, with a papery margin.
Capsules egg-shaped, to 2 mm long; seeds brownish, 0.4-0.5 mm long, granular.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry to mesic roadsides and waste places in the lowland zone; rare in SW BC, known only from Victoria; introduced from Europe.

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