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

Packera pauciflora (Pursh) Á. Löve & D. Löve
rayless alpine butterweed
Asteraceae (Aster family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #88128)

E-Flora BC Static Map
Distribution of Packera pauciflora
Click here to view our NEW interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

Perennial herb from a fibrous-rooted, simple or slightly branched woody stem-base; stems erect, solitary or several, simple or few-branched above, glabrous or nearly so, 10-50 cm tall.
Basal leaves thick, succulent, elliptic, egg-shaped or nearly round, stalked, 1.5-10 cm long including the stalk, 1-4 cm wide, glabrous to sparsely white woolly-hairy, toothed; stem leaves similar, lanceolate, variously toothed, cleft or lobed, progressively reduced upwards, becoming unstalked.
Heads discoid, solitary to several at the tips of stems or branches; involucres 6-10 mm tall; involucral bracts linear-lanceolate, reddish-purple throughout or at least above the middle, rarely green, glabrous or sparsely hairy; bracteoles few, purplish; discoid or rarely short and yellow; disk flowers orange or reddish.
Achenes oblong, nerved, glabrous; pappus of white hairlike bristles.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Wet to moist meadows in the subalpine and alpine zones; common throughout BC, lacking on the Queen Charlotte Islands; E to NF and S to WY and CA.

Source: The Illustrated Flora of British Columbia


Ecological Framework for Packera pauciflora

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) 71 1457 2390
Slope Gradient (%) 0 12 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 206 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 4 8
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(9), BAFA(8), BWBS(14), ESSF(73), ICH(14), IDF(10), IMA(3), MH(1), MS(35), SBPS(7), SBS(23), SWB(22)


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 montane boreal & cool temperate.

Synonyms and Alternate Names

Senecio discoideus (Hook.) Britton
Senecio pauciflorus Pursh

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References