Calamagrostis nutkaensis (J. Presl) J. Presl ex Steud.
Pacific reedgrass
Poaceae (Grass family)
Introduction to Vascular Plants
Pacific reedgrass
Poaceae (Grass family)
Introduction to Vascular Plants
Species Information
General:
Perennial, densely tufted grass from fibrous roots and rhizomes; stems stout, 60-100 cm or more tall, with 2 to 3 nodes.
Leaves:
Sheaths loosely open at the stem base; leaf blades flat to folded, 4-7 (10) mm wide, to 28 cm long; ligules 1-4 mm long, often hidden by the expanded collars.
Flowers:
Inflorescence a somewhat loose but narrow and erect panicle, 12-30 cm long, its branches 5-7 (10) cm long, bearing spikelets on the upper 1/2; spikelets 1-flowered; glumes 5-7 (8) mm long, long-pointed, smooth to rough, especially on the keels; lemmas 4-5 mm long; minutely 4-toothed at the tips, awned, awn straight or weakly twisted and bent, attached near the middle of the lemmas, reaching to about the lemma tips, the callus hairs of unequal lengths, 1.5-2 mm long; rachillas 0.5-1 mm long, with scant hairs to 1 mm long; anthers 3 mm long.
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 Calamagrostis nutkaensis
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) |
194 | 0 | 1450 |
| Slope
Gradient (%) |
27 | 0 | 150 |
|
Aspect (degrees) |
60 | 0 | 360 |
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
4 | 0 | 8 |
| Modal
Nutrient Regime
Class |
B | ||
| #
of field plots species was recorded in: |
370 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CDF(1), CMA(4), CWH(302), ICH(1), MH(61) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Wet to dry meadows, bogs, beaches, sand dunes and open forests in the lowland to subalpine zones; frequent in coastal BC; N to AK and S to CA.Status Information
Synonyms
Synonyms and Alternate Names:
Deyeuxia nutkaensis J. Presl