Artemisia absinthium L.
wormwood (absinthe; absinthium; common wormwood)
Asteraceae (Aster family)

Introduction to Vascular Plants

Photograph

© 3CDSG DND     (Photo ID #10104)


Map

E-Flora BC Static Map

Distribution of Artemisia absinthium
Click here to view the full interactive map and legend

Species Information

General:
Perennial, aromatic herb, sometimes with a woody base; stems ascending to erect, clustered, branched above, finely hairy or eventually glabrate, 40-120 cm tall.
Leaves:
Lower ones long-stalked and 2-3 times pinnately cut, with mostly oblong, obtuse segments mostly 1.5-4.0 mm wide, the blade rounded to egg-shaped in outline, mostly 3-8 cm long, becoming progressively less divided, shorter-stalked and reduced upwards, the divisions more abruptly sharp-pointed, glabrate to finely hairy.
Flowers:
Heads disciform, nodding, in a branched inflorescence; involucres hemispheric, 2-3 mm tall; involucral bracts with densely long, silky, appressed hairs, the outer ones linear, the inner broadly elliptic with broad, thin, dry, papery margins; receptacles with numerous long white hairs between the flowers; female flowers 9-20, fertile; disk flowers 30-50, fertile.
Fruits:
Achenes glabrous.

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 Artemisia absinthium

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)
893 800 987
Slope Gradient (%)
47 35 60

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

236 218 256
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 1 2
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
2
Modal BEC Zone Class
PP

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

IDF(1), PP(1)

Habitat and Range

Dry roadsides and disturbed areas in the lowland, steppe and montane zones; common in S BC, infrequent northward to 57degreeN; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia

Synonyms

Synonyms and Alternate Names:
Artemisia absinthium var. insipida Stechmann