Page authors: Don Knoke, David Giblin
Eschscholzia californica
California poppy
Specimens
Photos

Distribution: Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California, east to Idaho, Arizona and New Mexico.

Habitat: Roadsides, fields, ditches, balds, prairies, parks, wastelots, and other disturbed, open areas at low elevations.

Flowers: May-September

Origin: Introduced from Oregon

Growth Duration: Annual, Perennial

Conservation Status: Not of concern

Pollination: Self-pollination, bumblebees, bees, beetles

Description:
General:

Glabrous, glaucous perennial herbs from a deep taproot, the 1-several stems 1-5 dm. tall.

Leaves:

Leaves mostly basal, petiolate, repeatedly ternately divided into linear segments.

Flowers:

Flowers solitary on axillary or terminal, scapose peduncles 6-20 cm. long; receptacle cone-shaped with a spreading outer rim 1-2 mm. wide; sepals 2, coherent into a hood-like structure that is pushed off as the petals open; petals 4, obovate with a wedge-shaped base, 8-40 mm. long, pale yellow to orange; stamens numerous; style absent; stigmas 4, linear, erect.

Fruits:

Capsule linear.

Accepted Name:
Eschscholzia californica Cham.
Publication: Horae Phys. Berol. 73, plate 15. 1820.

Synonyms & Misapplications:
(none provided)
Infraspecies:
Additional Resources:

PNW Herbaria: Specimen records of Eschscholzia californica in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Eschscholzia californica checklist entry.

OregonFlora: Eschscholzia californica information.

E-Flora BC: Eschscholzia californica atlas page.

CalPhotos: Eschscholzia californica photos.

USDA Plants: Eschscholzia californica information.

45 photographs:
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