Page authors: Don Knoke, David Giblin
Erigeron poliospermus
hairy-seeded daisy, cushion fleabane
WTU specimens
Other herbaria
WTU images

Distribution: Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to western Idaho.

Habitat: Dry, open, typically rocky areas, often with sagebrush.

Flowers: April-June

Origin: Native

Conservation Status: Not of concern

Description:
General:

Taprooted perennial with short-branched, woody base; stems to 15 cm. high; plants more or less spreading-hairy and glandular throughout.

Leaves:

Basal leaves linear-oblanceolate to spatulate, up to 8 cm. long and 12 mm. wide, the cauline leaves reduced.

Flowers:

Heads solitary, hemispheric, the disk 9-20 mm. wide; involucre 5-9 mm. high; rays 15-45, pale pink or purple to deep violet, 4-15 mm. long and 1.3-3.6 mm. wide; pappus of 20-30 capillary bristles.

Fruits:

Achenes densely covered with long, silky hairs.

Accepted Name:
Erigeron poliospermus A. Gray
Publication: Syn. Fl. N. Amer. 1(2): 210. 1884.

Synonyms & Misapplications:
(none provided)
Infraspecies:
var. cereus – Kittitas fleabane   Occurring east of the Cascades crest, where endemic to central Washington.
var. poliospermus – hairy seeded daisy, cushion fleabane    Occurring east of the Cascades crest in Washington; British Columbia to Oregon, east to western Idaho.
Additional Resources:

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

WA Flora Checklist: Erigeron poliospermus checklist entry.

E-Flora BC: Erigeron poliospermus atlas page.

CalPhotos: Erigeron poliospermus photos.

USDA Plants: Erigeron poliospermus information.

46 photographs:
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