E-Flora BC: Electronic Atlas of the Flora of British Columbia

Elymus lanceolatus (Scribn. & J.G. Sm.) Gould
thickspike wildrye (thickspike wheatgrass)
Poaceae (Grass family)

Introduction to Vascular Plants

© Curtis Bjork  Email the photographer   (Photo ID #16563)

E-Flora BC Static Map
Distribution of Elymus lanceolatus
Click here to view the full interactive map and legend
Details about map content are available here
Click on the map dots to view record details.

Species Information

Click on the image below to view an expanded illustration for this species.

PMPOA2H0S5
PMPOA2H1R0


General:
Perennial grass from conspicuous rhizomes; stems 22-130 cm tall, erect, the nodes exposed, smooth.
Leaves:
Sheaths smooth to hairy; blades 2-6 mm wide, mostly towards the base of the stems, in-rolled, the undersides smooth, the upper surfaces rough; ear-shaped lobes 1-1.5 mm long, usually present on the lower leaves; ligules 0.1-0.4 mm long, the edges ragged or fringed with fine hairs.
Flowers:
Inflorescence a spike 3.5-22 cm long, 0.7-1 cm wide, erect; spikelets 8-25 mm long, usually with 1 spikelet per node; spikelets with 3 to 11 florets; glumes unequal, 5-9 mm long, 1/2 to 3/4 the length of the first lemmas, smooth or hairy, weakly keeled, pointed to shortly-awned; lemmas 7-11 mm long, smooth or more often hairy to densely hairy with hairs less than 1 mm long, sharp-pointed to awn-tipped; anthers 2.5-5 mm long.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Dry alkaline flats, sand dunes, gravelly sites and open forests in the steppe and montane zones; frequent in NE, SC and SE BC; E to AB and S to MI, IL, NE, NM, AZ and CA.

Source: The Illustrated Flora of British Columbia

Ecology

Ecological Framework for Elymus lanceolatus

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

Minimum

Average

Maximum

Elevation (metres) 780 1114 2240
Slope Gradient (%) 0 27 100
Aspect (degrees)
[0 - N; 90 - E; 180 - S; 270 - W]
5 117 340
Soil Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
1 3 6
Modal Nutrient Regime
Class
C
Number of field plots
 species was recorded in:
22
Modal BEC Zone Class
IDF
All BEC Zones (# of stations/zone) species was recorded in: ESSF(4), ICH(3), IDF(14)

Climate

The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Related Databases

General References