Elymus hirsutus J. Presl
hairy wildrye (northern ryegrass)
Poaceae (Grass family)

Introduction to Vascular Plants

Photograph

© Jamie Fenneman     (Photo ID #7414)


Map

E-Flora BC Static Map

Distribution of Elymus hirsutus
Click here to view the full interactive map and legend

Species Information

General:
Perennial, tufted grass from fibrous roots or short rhizomes, the tufts small; stems 40-120 cm tall, usually decumbent at the base, the nodes exposed, occasionally with dense short hairs pointing downward.
Leaves:
Sheaths smooth to rough, or occasionally with dense, short, purplish hairs; blades 4-12 mm wide, lax, flat, deep green, dense-hairy above; ear-shaped lobes sometimes lacking at the leaf-bases, if present then up to 1.5 mm long; ligules finely fringed, up to 1 mm long.
Flowers:
Inflorescence a spike 6-20 cm long, 0.5-2 cm wide, nodding or drooping, with (1) 2 or 3 spikelets per node; spikelets 12-20 mm long, overlapping, sometimes purplish, with 2 to 4 (7) fertile florets; glumes 7-10 (11) mm long, the margins transparent, awned, the awns 1-10 mm long; lemmas 7-12 mm long, with short hairs on the nerves and along the edges, otherwise smooth to rough throughout, awned, the awns 8-30 mm long, usually noticeably curving outward; anthers 2-3.5 mm long.

SourceThe Illustrated Flora of British Columbia

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.

Ecology

Ecological Framework for Elymus hirsutus

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)
867 3 1740
Slope Gradient (%)
13 0 80

Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]

195 8 345
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
4 2 7
Modal Nutrient Regime
Class
D
# of field plots
 species was recorded in:
88
Modal BEC Zone Class
ESSF

All BEC Zones (# of stations/zone) species was recorded in

BWBS(4), CDF(1), CWH(28), ESSF(29), ICH(8), IDF(4), MH(3), MS(7), SBS(2), SWB(1)

Habitat and Range

Moist meadows, streamsides and open forests in all vegetation zones; frequent in coastal SW BC, infrequent in SC BC, rare in SE BC; N to AK and S to NW OR.

SourceThe Illustrated Flora of British Columbia