Page authors: Don Knoke, David Giblin
Eucephalus paucicapitatus
Olympic Mountain aster

Distribution: Occurring in the Olympic Mountains in Washington; Vancouver Island, British Columbia to the Olympic Mountains in Washington.

Habitat: Open slopes, from middle to high elevations in the mountains.

Flowers: July-September

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern

Pollination: Bees, flies, butterflies


Perennial from a stout, short woody base, usually with several stems from the base, 2-5 dm. tall, the herbage covered with glands on short, fine hairs.


Lowermost leaves reduced and scale-like, the others numerous, nearly alike, sessile, elliptic or lance-elliptic to elliptic-oblong, entire, 2-4 cm. long and 4-13 mm. wide.


Heads few or solitary, rather large, the disk 1-2.5 cm. wide; involucre 7-10 mm. high, the bracts not much inbricate, narrow, long-pointed, firm and somewhat keeled; rays usually 13, white, 1-1.5 cm. long; pappus of capillary bristles, some of the outer ones shorter.


Achenes hairy throughout.

Accepted Name:
Eucephalus paucicapitatus (B.L. Rob.) Greene
Publication: Pittonia. 3: 56. 1896.

Synonyms & Misapplications:
Aster paucicapitatus (B.L. Rob.) B.L. Rob. [HC]
Additional Resources:

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

WA Flora Checklist: Eucephalus paucicapitatus checklist entry

OregonFlora: Eucephalus paucicapitatus information

E-Flora BC: Eucephalus paucicapitatus atlas page

CalPhotos: Eucephalus paucicapitatus photos

17 photographs:
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