E-Flora BC: Electronic Atlas of the Flora of British Columbia

Eucephalus paucicapitatus (B.L. Rob.) Greene
Olympic mountain aster
Asteraceae (Aster family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #14198)

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Distribution of Eucephalus paucicapitatus
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Species Information

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General:
Perennial herb from a stout stem-base and sometimes a taproot as well; stems several, ascending to erect, few-branched above, 20-50 cm tall.
Leaves:
Basal leaves reduced and scalelike; stem leaves soon deciduous below, the others uniform, elliptic to lance-elliptic or elliptic-oblong, 2-4 cm long, 4-13 mm wide, unstalked or shortly stalked, glandular-hairy, entire or nearly so.
Flowers:
Heads with ray and disk flowers, solitary or few at ends of branches or stems; involucres 7-10 mm tall; involucral bracts scarcely graduated, linear-lanceolate, with long-pointed tips, glandular-hairy or obscurely glandular or sparsely hairy, greenish above the base and narrowly purple-margined, fringed with small hairs; ray flowers commonly about 13, sometimes 8 or 21, white, 8-15 mm long; disk flowers yellow.
Fruits:
Achenes flattened, 4-nerved, grey-hairy; pappus white to tawny.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic meadows and rock outcrops in the montane to subalpine zones; rare on SC Vancouver Island; S to NW WA (Olympic Mountains).

Source: The Illustrated Flora of British Columbia

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Aster engelmannii var. paucicapitatus B.L. Rob.
Aster paucicapitatus (B.L. Rob.) B.L. Rob.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References