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

Artemisia dracunculus L.
tarragon
Asteraceae (Aster family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #5776)

E-Flora BC Static Map
Distribution of Artemisia dracunculus
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Species Information

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General:
Perennial, slightly to strongly aromatic herb from a stout rhizome; stems erect, several, 0.5-1.5 m tall.
Leaves:
Lower leaves usually soon deciduous, main stem leaves linear or sometimes lanceolate, occasionally 3-parted, entire, glabrous or sometimes long-hairy; mostly 3-8 cm long, 2-10 mm wide.
Flowers:
Heads disciform, numerous in an open, branched inflorescence; involucres hemispheric, 2-3 mm tall; involucral bracts oblanceolate to elliptic with broad, translucent or thin, dry, papery margins, glabrous; receptacles glabrous; female flowers 6-30; disk flowers 10-30.
Fruits:
Achenes glabrous.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry roadsides, meadows and open forests in the lowland, steppe and montane zones; common in BC east of the Coast-Cascade Mountains and S of 57degreeN; circumboreal, N to AK, YT and NT, E to MB and S to MO, KS, TX, NM, AZ, CA and MX, Eurasia.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Artemisia dracunculus

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) 250 806 1870
Slope Gradient (%) 0 35 90
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
1 186 360
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
0 2 6
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
190
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: BG(63), BWBS(1), IDF(88), MS(5), PP(31)

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

Artemisia dracunculoides Pursh
Artemisia dracunculoides var. dracunculina (S. Wats.) Blake
Artemisia dracunculus subsp. glauca (Pallas ex Willd.) Hall & Clements
Artemisia dracunculus var. glauca (Pallas ex Willd.) Bess.
Artemisia glauca Pall. ex Willd.
Artemisia glauca var. dracunculina (S. Watson) Fernald
Oligosporus dracunculus (L.) Poljakov
Oligosporus dracunculus subsp. dracunculinus (S. Wats.) W.A. Weber
Oligosporus dracunculus subsp. glaucus (Pallas ex Willd.) A.& D. L÷ve

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References