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

Senecio lugens Richardson
black-tipped groundsel (small blacktip ragwort)
Asteraceae (Aster family)

Introduction to Vascular Plants

© Virginia Skilton  Email the photographer   (Photo ID #88059)

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Distribution of Senecio lugens
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Species Information

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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.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

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)

Site Information
Value / Class

Minimum

Average

Maximum

Elevation (metres) 300 1771 2675
Slope Gradient (%) 0 30 99
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
10 213 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 3 7
Modal Nutrient Regime
Class
C
Number 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)

Climate

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 integerrimus var. lugens (Richardson) B. Boivin

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References