Senecio lugens Richardson
black-tipped groundsel (small blacktip ragwort)
Asteraceae (Aster family)
Introduction to Vascular Plants
black-tipped groundsel (small blacktip ragwort)
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a fibrous-rooted, short, thick, ascending or horizontal rhizome; stems erect, solitary, branched above, glabrous or sparsely woolly-hairy, 10-80 cm tall.
Leaves:
Basal leaves relatively thick, lanceolate, oblanceolate to elliptic or nearly egg-shaped, stalked, the stalks sometimes winged, 2-21 cm long including the stalk, 0.5-4.5 cm wide, at least some regularly finely to coarsely toothed, thinly woolly-hairy when young but glabrous or nearly so by flowering time; stem leaves similar, lanceolate, progressively reduced upwards, becoming unstalked.
Flowers:
Heads with ray and disk flowers, few to many in a compact to open flat-topped inflorescence; involucres 5-9 mm tall; involucral bracts lanceolate, woolly-hairy below, hairy at the tips, conspicuously black-tipped; bracteoles few, black-tipped; ray flowers yellow, mostly 7-15 mm long; disk flowers yellow.
Fruits:
Achenes oblong, ribbed, glabrous or coarse-hairy; 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 Senecio lugens
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) |
1771 | 300 | 2675 |
| Slope
Gradient (%) |
30 | 0 | 99 |
|
Aspect (degrees) |
213 | 10 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 0 | 7 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
274 | ||
| Modal
BEC Zone Class |
BAFA | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(20), BAFA(69), BWBS(21), ESSF(65), IDF(1), IMA(11), MH(1), MS(1), SWB(46) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to dry meadows and rocky slopes in the subalpine and alpine zones; common throughout BC in and E of the Coast-Cascade Mountains; N to AK, YT and NT E to AB and S to WY and N WA.Status Information
Synonyms
Synonyms and Alternate Names:
Senecio integerrimus var. lugens (Richardson) B. Boivin