Senecio fremontii Torr. & A. Gray var. fremontii
dwarf mountain butterweed
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Jim Riley     (Photo ID #971)


Map

E-Flora BC Static Map

Distribution of Senecio fremontii var. fremontii
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Species Information

General:
Perennial herb from a taproot and a branching, woody stem-base; stems ascending to prostrate, several, branched, glabrous, 10-20 cm tall.
Leaves:
Basal leaves few and soon deciduous; stem leaves thickish, somewhat succulent, egg-shaped to spoon-shaped or oblanceolate, regularly to irregularly toothed, stalked, 1-4 cm long including the stalk, 0.2-2 cm wide, upper leaves slightly reduced and becoming unstalked, glabrous.
Flowers:
Heads with ray and disk flowers, numerous at the ends of branches, bases crisp-hairy; involucres 7-12 mm tall; involucral bracts lanceolate, with long-pointed tips, inconspicuously soft-hairy; bracteoles few, inconspicuous; rays yellow, 6-10 mm long; disk flowers yellow.
Fruits:
Achenes oblong, nerved, glabrous; pappus of white hairlike bristles.

SourceThe Illustrated Flora of British Columbia

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.

Habitat and Range

Moist to mesic talus and scree slopes in the alpine zone; frequent in S BC in and E of the Coast-Cascade Mountains; E to SW AB and S to CO and CA.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Senecio fremontii subsp. fremontii T.& G.