Artemisia michauxiana Besser
Michaux's mugwort (Michaux's wormwood)
Asteraceae (Aster family)
Introduction to Vascular Plants
Michaux's mugwort (Michaux's wormwood)
Asteraceae (Aster family)
Introduction to Vascular Plants
Species Information
General:
Perennial herb from a woody base and often rhizomatous; stems several to many, nearly glabrous, 20-70 cm tall.
Leaves:
Stem leaves with dense, white, matted hairs below at least when young, generally glabrous and green above, pinnately twice divided, the short, linear ultimate segments often toothed again, lower ones 2-5 cm long.
Flowers:
Heads disciform, numerous in a spikelike inflorescence; involucres bell-shaped, 3.5-4.0 mm tall; involucral bracts lanceolate to egg-shaped, glabrous or sometimes finely hairy; receptacles glabrous; female flowers 9-12; disk flowers 15-35.
Fruits:
Achenes glabrous.
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.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Artemisia michauxiana
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)
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) |
1404 | 7 | 2394 |
| Slope
Gradient (%) |
42 | 0 | 125 |
|
Aspect (degrees) |
188 | 10 | 352 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
1 | 0 | 6 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
93 | ||
| Modal
BEC Zone Class |
ESSF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(9), BAFA(3), BG(9), BWBS(2), ESSF(23), ICH(4), IDF(5), IMA(1), MH(1), MS(11), PP(7), SBS(5), SWB(2) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Moist to mesic meadows and rocky slopes in the steppe to alpine zones; common throughout BC except absent in coastal and NE BC; N to YT, E to AB and S to UT and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Artemisia vulgaris subsp. michauxiana (Bess.) St. John