Artemisia tripartita Rydb.
threetip sagebrush
Asteraceae (Aster family)
Introduction to Vascular Plants
threetip sagebrush
Asteraceae (Aster family)
Introduction to Vascular Plants
Photograph
SUBTAXA PRESENT IN BC
Artemisia tripartita ssp. tripartita
Species Information
General:
Perennial, mildly aromatic, evergreen shrub; stems solitary or branched from the base with shredding, grey or light brown bark when older or with a dense, grooved, white-woolly hairiness on the twigs, 20-80 cm tall.
Leaves:
Principal leaves short-stalked, grey-hairy, deeply divided into 3 linear or narrowly lanceolate lobes which may sometimes be 3-cleft or some of the leaves linear and entire, 0.5-3.0 cm long.
Flowers:
Heads discoid, numerous in a narrowly to broadly branched inflorescence; involucres bell-shaped, 3-4 mm tall; involucral bracts grey-hairy, the inner ones oblong, the outer broadly egg-shaped, sometimes with a narrow herbaceous tip; receptacles glabrous; female flowers lacking; disk flowers 4-7 (rarely more).
Fruits:
Achenes resinous-granular.
USDA Species Characteristics
Flower Colour:
Green
Blooming Period:
Late Summer
Fruit/Seed characteristics:
Colour: White
Present from Summer to Fall
Source: The USDA
Ecology
Ecological Framework for Artemisia tripartita
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) |
724 | 345 | 1860 |
| Slope
Gradient (%) |
29 | 0 | 360 |
|
Aspect (degrees) |
288 | 5 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
2 | 1 | 7 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
100 | ||
| Modal
BEC Zone Class |
BG | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BG(44), ESSF(1), IDF(23), IMA(1), PP(30) | ||
|
Source:
Klinkenberg 2013
|
|||