Page authors: Don Knoke, David Giblin
Eucephalus ledophyllus
Cascade aster

Distribution: Occurring chiefly west of the Cascades crest in Washington; northern Washington to California.

Habitat: Meadows and open woods, from middle elevations in the mountains to the subalpine.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, butterflies


Perennial from a stout, short, woody base, 3-6 dm. tall.


Lowermost leaves reduced and scale-like, the others numerous and nearly alike, narrowly lanceolate to elliptic, sessile, entire or with a few irregular sharp teeth, 3-7 cm. long and 5-20 mm. wide, glabrous above and densely gray-woolly beneath.


Heads usually several; involucre 7-12 mm. high, its bracts imbricate, narrow, sharp-pointed, with a strong mid-vein, papery below and greenish or purplish above; rays 12-20 mm. long, lavender-purple; pappus of capillary bristles with a few shorter outer ones.


Achenes hairy toward the tip.

Accepted Name:
Eucephalus ledophyllus (A. Gray) Greene
Publication: Pittonia. 3: 55. 1896.

Synonyms & Misapplications:
Aster ledophyllus (A. Gray) A. Gray [HC]
Additional Resources:

PNW Herbaria: Specimen records of Eucephalus ledophyllus in the Consortium of Pacific Northwest Herbaria database

WA Flora Checklist: Eucephalus ledophyllus checklist entry

OregonFlora: Eucephalus ledophyllus information

E-Flora BC: Eucephalus ledophyllus atlas page

CalPhotos: Eucephalus ledophyllus photos

42 photographs:
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