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

Packera ogotorukensis (Packer) Á. Löve & D. Löve
Ogotoruk Creek butterweed
Asteraceae (Aster family)

Introduction to Vascular Plants
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Distribution of Packera ogotorukensis
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Species Information

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Perennial herb from a fibrous-rooted rhizome; stems ascending to erect, solitary to several, simple to few-branched, sparsely to densely white woolly-hairy, 2-30 cm tall.
Basal leaves thick, somewhat succulent, oblanceolate, elliptic or egg-shaped, stalked, 0.6-10 cm long including the stalk, 0.2-1 cm wide, entire, wavy, coarsely toothed or pinnately cut, sparsely to densely white woolly-hairy; stem leaves similar, few, oblanceolate to more linear, reduced and unstalked upwards.
Heads with ray and disk flowers, solitary to few at the tips of the branches, on white woolly-hairy stalks; involucres 4-8 mm tall; involucral bracts lanceolate, greenish to purplish throughout or more often purplish-tipped, white woolly-hairy, margins translucent; bracteoles few, purplish; ray flowers yellow, mostly 6-12 mm long; disk flowers yellow.
Achenes oblong, nerved, glabrous; pappus of white hairlike bristles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry river terraces, gravel bars and rocky slopes from the montane to alpine zones; rare in extreme NW BC; N to AK, YT and NT.

Source: The Illustrated Flora of British Columbia


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

Senecio ogotorukensis Packer

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References