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

Petrorhagia prolifera (L.) P.W. Ball & Heywood
prolific petrorhagia (childing pink)
Caryophyllaceae (Pink family)

Introduction to Vascular Plants

© Robert Flogaus-Faust  Email the photographer   (Photo ID #64115)

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Distribution of Petrorhagia prolifera
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Species Information

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Annual herb from a slender taproot; stems ascending to erect, branched, glabrous, 30-50 cm tall.
Basal leaves linear-oblanceolate to oblanceolate, 1.2-3 cm long, 1-3 mm wide; stem leaves opposite, 3 to many pairs, linear to linear lanceolate, fused at the base into a sheath.
Inflorescence of solitary flowers or in a 3- to 7- flowered, headlike cluster, these subtended by 2-3 pairs of brown, papery, egg-shaped bracts; petals 5, 10-14 mm, pink, notched, exceeding the calyces; calyces 10-13 mm long; sepals 5.
Capsules egg-shaped, 5-8 mm long; seeds brownish-black, 1.1-1.8 mm long, compressed, concave on 1 side.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry, sandy disturbed areas in the lowland zone; rare in SW BC, known only from Comox and Surrey; 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.

Synonyms and Alternate Names

Dianthus prolifer L.
Tunica prolifera (L.) Scop.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References