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

Packera contermina (Greenm.) J.F. Bain
high alpine butterweed
Asteraceae (Aster family)

Introduction to Vascular Plants

© Lori Skulski  Email the photographer   (Photo ID #27005)

E-Flora BC Static Map
Distribution of Packera contermina
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Species Information

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Perennial herb from a short to moderate taproot; stems erect or ascending, solitary, usually simple, hairy by flowering time, 4-15 cm tall.
Basal leaves egg-shaped, rounded or spoon-shaped, fleshy, almost 1 mm thick, 1-6 cm long including the stalk, 0.3-1.5 cm wide, entire, rarely lobed, wavy-margined or rarely irregularly toothed, glabrous or sometimes moderately white woolly-hairy; stem leaves reduced upwards, oblong to lanceolate, white woolly-hairy in the leaf axils, round-toothed to sharply and deeply cut, uppermost reduced to entire purplish-tipped bracts.
Heads with ray and disk flowers, usually solitary (rarely up to 5) on white woolly-hairy stalks; involucres 8-11 mm tall; involucral bracts linear-lanceolate, with long-pointed tips, with white or yellowish hairs, purplish-tinged, especially at the tips, margins translucent; bracteoles few, usually purplish-tipped; ray flowers yellow, mostly 6-16; disk flowers yellow.
Achenes oblong, ribbed, glabrous; pappus of white hairlike bristles.
For a comprehensive discussion of the history of this complex group of species, which includes S. conterminus, S. cymbalarioides, S. cymbalaria, S. hyperborealis and S. ogotorukensis, see Douglas (1982).

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry rocky slopes and ridges in the subalpine and alpine zones; locally frequent in extreme SE BC; E to SW AB and S to MT.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Packera contermina

The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)

Site Information
Value / Class




Elevation (metres) 2257 2348 2501
Slope Gradient (%) 7 26 60
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
45 209 275
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
2 2 4
Modal Nutrient Regime
Number of field plots
 species was recorded in:
Modal BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in: AT(6)


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 conterminus Greenm.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References