Packera indecora (Greene) Á. Löve & D. Löve
rayless mountain butterweed
Asteraceae (Aster family)

Introduction to Vascular Plants


© Jamie Fenneman     (Photo ID #10733)


E-Flora BC Static Map

Distribution of Packera indecora
Click here to view the full interactive map and legend

Species Information

Perennial herb from a fibrous-rooted, simple or slightly branched woody stem-base; stems erect, solitary or few, branched above, glabrous, 0.1-1 m tall.
Basal leaves lanceolate to elliptic to broadly egg-shaped, stalked, 1.5-12 cm long including the stalk, 0.5-5 cm wide, toothed, glabrous or lightly woolly-hairy when young; stem leaves lanceolate, sharply incised, pinnately cut and irregularly lobed, glabrous, reduced upwards, becoming unstalked.
Heads discoid, few to numerous in a round-topped inflorescence; involucres 7-11 mm tall; involucral bracts linear-lanceolate, purplish-tipped or purplish throughout, glabrous or sparsely woolly-hairy; bracteoles few, inconspicuous; discoid or rarely short and yellow; disk flowers yellow.
Achenes oblong, faintly ribbed, glabrous; pappus of white hairlike bristles.

SourceThe Illustrated Flora of British Columbia


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.


Ecological Framework for Packera indecora

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)
1169 0 1994
Slope Gradient (%)
9 0 120

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

166 40 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
5 1 8
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

All BEC Zones (# of stations/zone) species was recorded in

BAFA(2), BG(1), BWBS(6), CWH(2), ESSF(12), ICH(3), IDF(8), MS(14), SBPS(11), SBS(11), SWB(1)

Habitat and Range

Moist forests, bogs, fens and streambanks in the steppe and montane zones; common throughout BC in and E of the Coast-Cascade Mountains; N to AK, YT and NT, E to PQ and NS, and S to WY and CA.

SourceThe Illustrated Flora of British Columbia


Synonyms and Alternate Names:
Senecio indecorus Greene
Senecio pauciflorus var. fallax (Greenm.) Greenm.