Page authors: Don Knoke, David Giblin
Campanula piperi
Olympic bellflower

Distribution: Occurring west of the Cascades crest in the Olympic Mountains of Washington, where endemic.

Habitat: Open, rocky areas at high elevations.

Flowers: June-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Generalist


Perennial herbs, creeping below ground, glabrous or finely scabrous, the lax stems up to 1 dm. tall.


Basal leaves oblanceolate, 1-3 cm. long and 1/3 as wide, sharply serrate with firm, slender teeth; cauline leaves alternate, similar and nearly as large as the basal.


Flowers 1-3 on the branch ends; calyx lobes 5, leaf-like, narrow, 5-10 mm. long, with a few slender teeth; corolla saucer-shaped, blue, 12-16 mm. long, the 5 broad lobes twice as long as the tube; stamens 5; style much shorter than the corolla; ovary inferior.


Capsule 3-celled; sub-globose, 3-5 cm. long and wide.

Accepted Name:
Campanula piperi Howell
Publication: Fl. N.W. Amer. 4: 409. 1901.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Campanula piperi in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Campanula piperi checklist entry

OregonFlora: Campanula piperi information

E-Flora BC: Campanula piperi atlas page

CalPhotos: Campanula piperi photos

42 photographs:
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