Page author: Don Knoke
Erigeron oreganus
gorge daisy, Oregon fleabane
WTU specimens
Other herbaria

Distribution: Columbia River Gorge, more common on the Oregon side.

Habitat: Moist shady cliffs and ledges.

Origin: Native

Conservation Status: Imperiled in Washington (WANHP)

Description:
General:

Perennial from a stout, woody base and root, the lax stem 5-15 cm. long, covered with glands and loose, sticky hairs.

Leaves:

Basal leaves tufted, spatulate to obovate, coarsely toothed or incised, up to 9 cm. long and 2.5 cm. wide; cauline leaves well developed, broadly lanceolate to ovate or elliptic, up to 4 cm. long and 1 cm. wide.

Flowers:

Heads 1-several in a leafy inflorescence, the disk 9-13 mm. wide; involucre 5-7 mm. high, the bracts loose, equal, thin and green; rays 30-60, pink or white to bluish; disk corollas 3.4-4.7 mm. long, yellow; pappus simple, of 15-20 bristles that are curled and twisted above.

Accepted Name:
Erigeron oreganus A. Gray
Publication: Proc. Amer. Acad. Arts. 19: 2. 1883. 1883.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Erigeron oreganus in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Erigeron oreganus checklist entry.

E-Flora BC: Erigeron oreganus atlas page.

CalPhotos: Erigeron oreganus photos.

USDA Plants: Erigeron oreganus information.

14 photographs:
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