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Elymus canadensis - Canada wildrye

Scientific Family
Poaceae
Synonyms
Elymus brachystachys, Elymus crescendus, Elymus philadelphicus, Elymus robustus
Plant type
Grasses
Riparian
Yes

Grass Description

Origin
Native
Season
Cool
Warm

Dry to moist or damp soils, on sandy or gravelly soils along streams, disturbed grounds, or in thickets and woods near streams.

Plant Community
Disturbed Areas
Riparian
Low elevation
3000
High elevation
9000

General Description

Large bunch grass, often bluish-green with distinctive out-curving awns and thick seedhead spikes.

Perennial grass 24 to 63 inches tall; blades 3/4 inch wide; seedhead nodding, densely flowered, 3 to 8 inches long with awns up to 2 inches long; awns are on the lemmas and curved when dry; spikelets 2 to 4 at each node and mostly 3 to 5-flowered.

Grass type
Perennial bunchgrass
Rhizomes
No
Stolons
No
Clump Diameter 2 ft or more
Yes
Bushy - highly branched
Yes
Height with Seedheads
Greater than 36 inches
Seedhead Structure
Unbranched
Seedhead droops
Yes
First bloom month
May
Last bloom month
July

Flower Characteristics

Flowers per Spikelet
Multi-flowered
Spikelets One-Sided
No
Awns
Greater than 1 inch
Three Awns
No
Awns bent
No
Flower and Seedhead Notes

Spike nodding, sometimes pendant or erect, usually with 2 spikelets per node. Spikelets have 3 to 5 florets.

Vegetative Characteristics

Blade is hairy
No
Blade margins white
No
Blade cross-section
Flat
Folded

Blades 1/4 to 3/4 inch wide, usually firm, often ascending and margins somewhat rolled inward, usually dull green, drying to grayish; surfaces facing toward the stem usually smooth or slightly rough and hairless.

Sheath is hairy
No
Tufts of hair top of sheath or collar
No
Ligule
Hairy
Auricles
Yes

Fodder for livestock.