Calamagrostis rubescens Buckley
pinegrass
Poaceae (Grass family)
Introduction to Vascular Plants
pinegrass
Poaceae (Grass family)
Introduction to Vascular Plants
Species Information
General:
Perennial grass from fibrous roots and conspicuous rhizomes; stems unbranched, 60-100 cm tall, with 2 to 3 nodes.
Leaves:
Sheaths smooth to occasionally hairy above, the sheath summits usually with conspicuous tufted hairs; ligules 3-5 mm long, with jagged margins at the tips; leaf blades flat, rough or occasionally just hairy above, rough or smooth below, 8-40 cm long and 2-5 mm wide.
Flowers:
Inflorescence a congested to somewhat open panicle, pale or less often purplish, 6-15 (25) cm long, with the longer branches 2-4 cm long; spikelets 1-flowered; glumes long-pointed, 4-5 mm long, smooth to somewhat rough short-hairy, especially on the keels; lemmas 3-4 mm long, jagged and 4-toothed at the tips, with stout, strongly twisted and abruptly bent awns 3.5-4.5 mm long, attached near the base, the callus hairs of varying length, up to 1 mm long; rachillas about 1 mm long, with hairs to 2 mm.
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
USDA Species Characteristics
Flower Colour:
Yellow
Blooming Period:
Late Spring
Fruit/Seed characteristics:
Colour: Brown
Present from Spring to Summer
Source: The USDA
Ecology
Ecological Framework for Calamagrostis rubescens
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) |
1149 | 100 | 2854 |
| Slope
Gradient (%) |
25 | 0 | 240 |
|
Aspect (degrees) |
189 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
3 | 0 | 8 |
| Modal
Nutrient Regime
Class |
C | ||
| #
of field plots species was recorded in: |
7403 | ||
| Modal
BEC Zone Class |
IDF | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
AT(1), BAFA(1), BG(23), BWBS(1), CWH(1), ESSF(545), ICH(900), IDF(2824), MS(1770), PP(186), SBPS(336), SBS(502) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Mesic to dry meadows, rocky slopes and open forests in the steppe to subalpine zones; common in S BC east of the Coast-Cascade Mountains; E to AB and S to CO, UT, NV and CA.Status Information
Synonyms
Synonyms and Alternate Names:
Calamagrostis fasciculata Kearney
Calamagrostis luxurians