Hieracium lachenalii Suter
European hawkweed (common hawkweed)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #25481)


Map

E-Flora BC Static Map

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

Species Information

General:
Perennial herb from a short, stout rhizome; stems erect, usually solitary, hairy, the hairs bristly or starlike, or glabrous, exuding milky juice when broken, 20-80 cm tall.
Leaves:
Basal leaves well-developed, persistent, narrowly to broadly elliptic, stalked, toothed, 1.5-15 cm long, 0.3-2.0 cm wide, with non-glandular hairs, sometimes glabrous above, sometimes with starlike hairs below; stem leaves similar, 2-10, reduced upwards.
Flowers:
Heads with strap-shaped flowers, few to numerous, the stalks of the heads with non-glandular or glandular and starlike hairs; involucres 8-11 mm tall; involucral bracts narrowly lanceolate, graduated, obtuse to abruptly sharp-pointed with non-glandular or glandular and starlike hairs; ray flowers yellow.
Fruits:
Achenes 2.5-3.5 mm long; pappus dull white or tawny.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Hieracium lachenalii

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)
61 61 61
Slope Gradient (%)
0 0 0

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

180 180 180
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
7 7 7
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
1
Modal BEC Zone Class
CWH

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

CWH(1)

Habitat and Range

Mesic to dry roadsides, gravelly riverbeds, forest openings, waste areas and disturbed areas in the lowland and montane zones; frequent in WC and SW BC; introduced from Europe.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Hieracium acuminatum Jord.
Hieracium vulgatum Fr.