Packera indecora (Greene) Á. Löve & D. Löve
rayless mountain butterweed
Asteraceae (Aster family)
Introduction to Vascular Plants
rayless mountain butterweed
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
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.
Leaves:
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.
Flowers:
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.
Fruits:
Achenes oblong, faintly ribbed, 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
Ecology
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)
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 |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
1169 | 0 | 1994 |
| Slope
Gradient (%) |
9 | 0 | 120 |
|
Aspect (degrees) |
166 | 40 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 1 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
88 | ||
| Modal
BEC Zone Class |
MS | ||
|
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) | ||
|
Source:
Klinkenberg 2013
|
|||
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.Status Information
Synonyms
Synonyms and Alternate Names:
Senecio indecorus Greene
Senecio pauciflorus var. fallax (Greenm.) Greenm.