Packera pseudaurea (Rydb.) W.A. Weber & Á. Löve var. pseudaurea
streambank butterweed
Asteraceae (Aster family)
Introduction to Vascular Plants
streambank butterweed
Asteraceae (Aster family)
Introduction to Vascular Plants
Photograph
Map
Distribution of Packera pseudaurea var. pseudaurea
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Species Information
General:
Perennial herb from a fibrous-rooted, short, ascending or horizontal rhizome or woody stem-base; stems erect, solitary, branched above, glabrous to nearly glabrous, 20-70 cm tall.
Leaves:
Basal leaves heart-shaped, round, elliptic to egg-shaped or oblanceolate, stalked, 2-20 cm long including the stalk, 1-6 cm wide, toothed, lightly white woolly-hairy at first, soon becoming glabrous; stem leaves few, oblanceolate, raggedly toothed, progressively reduced upwards, becoming unstalked.
Flowers:
Heads few to many on hairy stalks in a clustered inflorescence; involucres 5-8 mm tall; involucral bracts lanceolate, sometimes purplish-tipped, glabrous to sparsely long-hairy, margins translucent; bracteoles few, inconspicuous, purplish-tipped; ray flowers yellow, mostly 6-10 mm long; disk flowers yellow.
Fruits:
Achenes oblong, glabrous; pappus of white hairlike bristles.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Habitat and Range
Moist meadows, streambanks, and forests from the montane to subalpine zones; common in S BC east of the Coast-Cascade Mountains, becoming rare northward; E to S MB and S to MO, CO and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Senecio pauciflorus var. jucundulus Jeps.
Senecio pseudaureus Rydb.
Senecio pseudaureus subsp. pseudaureus Rydb.