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

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

Introduction to Vascular Plants

© Vanessa Robinson  Email the photographer   (Photo ID #86837)

E-Flora BC Static Map
Distribution of Hieracium triste
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Species Information

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General:
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.
Leaves:
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.
Flowers:
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.
Fruits:
Achenes nerved, 2-3 mm long; pappus tawny or sometimes white.
Notes:
Easily confused with H. gracile which has glandular-tipped hairs on the stalks of the heads and involucres.

Source: The Illustrated Flora of British Columbia

Habitat / 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.

Source: The Illustrated Flora of British Columbia

Ecology

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

Minimum

Average

Maximum

Elevation (metres) 475 1902 2500
Slope Gradient (%) 0 34 99
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
10 167 360
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:
167
Modal BEC Zone Class
ESSF
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)

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 alpine tundra & boreal.

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References