Page authors: Don Knoke, David Giblin
Conioselinum pacificum
Pacific hemlock-parsley

Distribution: Occurring west of the Cascades crest along the marine coast in Washington; Alaska to California.

Habitat: Bluffs and rocky or sandy beaches along the seashore.

Flowers: June-August

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


Nearly glabrous perennial from a short crown and fleshy, fibrous roots, the single stem 2-10 dm. high.


Leaves all cauline, pinnately 2-4 times compound, appearing to have deeply cleft leaflets.


Umbels 1-several, with 8-30 sub-equal rays 1.5-5 cm. long; involucre often wanting; involucel of well-developed, narrow bractlets 4-8 mm. long, equalling the pedicles; calyx teeth none; flowers white.


Fruit elliptic-oblong, dorsally compressed, glabrous, 5-8.5 mm. long, the lateral wings well developed.

Accepted Name:
Conioselinum pacificum (S. Watson) J.M. Coult. & Rose
Publication: Contr. U.S. Natl. Herb. 7: 152. 1900.

Synonyms & Misapplications:
Conioselinum chinense (L.) Britton, Sterns & Poggenb. var. pacificum (S. Watson) B. Boivin
Conioselinum gmelinii (Bray) Steud. [KZ99]
Selinum pacificum S. Wats.
Additional Resources:

PNW Herbaria: Specimen records of Conioselinum pacificum in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Conioselinum pacificum checklist entry.

E-Flora BC: Conioselinum pacificum atlas page.

CalPhotos: Conioselinum pacificum photos.

USDA Plants: Conioselinum pacificum information.

24 photographs:
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