Arctagrostis latifolia (R. Br.) Griseb.
Polar Grass (polargrass; wideleaf polargrass)
Poaceae (Grass family)
Introduction to Vascular Plants
Polar Grass (polargrass; wideleaf polargrass)
Poaceae (Grass family)
Introduction to Vascular Plants
SUBTAXA PRESENT IN BC
Arctagrostis latifolia ssp. arundinacea
Species Information
General:
Perennial grass from rhizomes; stems solitary or forming tufts, hollow, 25-145 cm tall.
Leaves:
Sheaths open; blades rough, flat, 2-10 (15) mm wide; ligules often suffused red or purplish at the base, jagged, 3.5-6.5 (9.5) mm long.
Flowers:
Inflorescence a contracted to open, yellowish or green or more commonly purplish panicle, 5-30 (43) cm long, the branches ascending to more or less erect or less commonly spreading; glumes unequal, the lower ones 1.7-4.7 mm long; lemmas longer than the glumes, 3-6 mm long, unawned, the calluses not long-hairy; paleas nearly equal to the lemmas; rachilla joints to about 1 mm long; anthers mostly 1.5-3 mm long.
USDA Species Characteristics
Flower Colour:
Yellow
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present over the Summer
Source: The USDA
Ecology
Ecological Framework for Arctagrostis latifolia
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) |
1188 | 620 | 1750 |
| Slope
Gradient (%) |
16 | 0 | 95 |
|
Aspect (degrees) |
327 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
5 | 3 | 7 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
45 | ||
| Modal
BEC Zone Class |
BWBS | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
BAFA(9), BWBS(17), ESSF(3), IDF(1), SBS(2), SWB(13) | ||
|
Source:
Klinkenberg 2013
|
|||