Hieracium triste Willd. ex Spreng.
woolly hawkweed
Asteraceae (Aster family)

Introduction to Vascular Plants


© Vanessa Robinson     (Photo ID #86837)


E-Flora BC Static Map

Distribution of Hieracium triste
Click here to view the full interactive map and legend

Species Information

Perennial herb from a short, often stout rhizome; stems erect, simple or sometimes branched, few to several, sparsely to moderately short or long soft-hairy, sometimes sparsely glandular-hairy above, exuding milky juice when broken, 3-45 cm tall.
Basal leaves persistent, tufted, narrowly elliptic, 1-16 cm long, 0.4-3.0 cm wide, entire or nearly so; stem leaves few or lacking, reduced, bractlike.
Heads with strap-shaped flowers, solitary or several; involucres 5-10 mm tall; involucral bracts linear-lanceolate, subequal, greyish, long soft-hairy, without glandular hairs; ray flowers yellow.
Achenes nerved, 2-3 mm long; pappus tawny or sometimes white.
Easily confused with H. gracile which has glandular-tipped hairs on the stalks of the heads and involucres.

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 Hieracium triste

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)
1902 475 2500
Slope Gradient (%)
34 0 99

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

167 10 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
3 0 7
Modal Nutrient Regime
# of field plots
 species was recorded in:
Modal BEC Zone Class

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

AT(6), BAFA(28), cma(3), ESSF(57), ICH(1), IMA(6), MH(5), MS(1), SWB(1)

Habitat and Range

Moist to mesic meadows, streambanks and talus slopes in the subalpine to the alpine zones; widespread in BC, especially common in N BC; amphiberingian, N to AK, YT and NT and E to AB.

SourceThe Illustrated Flora of British Columbia