Elymus canadensis L.

Canada wildrye (en), Chiendent (fr)

Species

Angiosperms > Poales > Poaceae > Elymus

Characteristics

Coarse, 8–15 dm, green or glaucous, in small clumps; lvs mostly 5–9 per stem, firm, flat, 3–12(–15) mm wide, glabrous or scabrous above; auricles 1–2 mm, often clasping the stem; spikes (7–)10–20(–30) cm, usually broadly arcuate or distally nodding, compact above, often loose or interrupted below, the internodes mostly 4–7 mm; spikelets mostly paired, or some of the lower in 3’s or even 4’s, 12–15 mm, 3–4-fld; glumes subequal, 15–30 mm overall, mostly 0.8–1.5 mm wide, 3–5-veined, broadest above the mostly flat and striate base, tapering into a straight awn usually equaling or longer than the body; lemmas 8.5–14 mm, usually strongly scabrous-hirtellous, 5–7-veined above, gradually tapering into a long, flexuous, spreading, scabrous awn 15–30(–35) mm; larger paleas 8.5–12.5 mm, the tip very acute and usually bidentate; anthers 2.5–4 mm; 2n=28, 42. Streambanks and dry to moist fields and meadows; N.B. and Que. to Alas., s. to N.C., Tex., and Calif. A hybrid with Hordeum jubatum has been called ×Elyhordeum dakotense (Bowden) Bowden.
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A grass which keeps growing from year to year. It grows 90-150 cm high and spreads 60-90 cm wide. The flower-heads are greenish and like wheat. The seed plumes turn gold on ripening.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination anemogamy
Spread -
Mature width (meter) 0.8 - 0.95
Mature height (meter) 0.85 - 0.9
Root system fibrous-root
Rooting depth (meter) 0.6
Root diameter (meter) 0.2
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Dry sandy gravelly or rocky soil. Thickets and open woods in limestone and sandy clay soils in Texas.
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It is a temperate plant. It is drought tolerant. It suits hardiness zones 3-9.
Light 3-8
Soil humidity 5-6
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 3-7

Usage

The seeds are eaten.
Uses animal food environmental use fodder food gene source medicinal
Edible seeds
Therapeutic use Kidney Aid (root), Ceremonial Medicine (seed), Other (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 84
Germination temperacture (C°) -5 - 3
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -40
Optimum temperature (C°) 10 - 22
Size -
Vigor -
Productivity -

Images

Leaf

Elymus canadensis leaf picture by Christopher Smith (cc-by-sa)
Elymus canadensis leaf picture by Jesse Corriveau (cc-by-sa)
Elymus canadensis leaf picture by Amy Ehm (cc-by-sa)

Flower

Elymus canadensis flower picture by Ken Borgfeldt (cc-by-sa)
Elymus canadensis flower picture by Peter Peter Kikic (cc-by-sa)
Elymus canadensis flower picture by David Hinds (cc-by-sa)

Fruit

Elymus canadensis fruit picture by Ricardo Muñoz (cc-by-sa)

Distribution

Elymus canadensis world distribution map, present in Åland Islands, Austria, Canada, Colombia, Czech Republic, Micronesia (Federated States of), Georgia, Malaysia, Nicaragua, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:400194-1
WFO ID wfo-0000866073
COL ID 39DQV
BDTFX ID 82770
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Elymus canadensis f. canadensis Elymus canadensis Elymus wiegandii Sitanion brodei Terrellia canadensis Clinelymus canadensis Elymus brachystachys Elymus philadelphicus Elymus canadensis f. calvescens Elymus canadensis f. crescendus Elymus canadensis f. glaucifolius Elymus canadensis f. wiegandii Elymus crescendus Elymus glaucifolius Elymus robustus Elymus wiegandii f. calvescens Hordeum canadense Hordeum patulum Roegneria canadensis Elymus canadensis subsp. wiegandii Elymus canadensis var. albanensis Elymus canadensis var. brachystachys Elymus canadensis var. glaucifolius Elymus canadensis var. hirsutus Elymus canadensis var. pendulus Elymus canadensis var. philadelphicus Elymus canadensis var. robustus Elymus canadensis var. wiegandii Elymus glaucifolius var. crescendus Elymus glaucifolius var. robustus Elymus philadelphicus var. brachystachys Elymus philadelphicus var. hirsutus Elymus philadelphicus var. pendulus Elymus philadelphicus var. robustus Elymus robustus var. vestitus Terrellia canadensis var. glaucifolia Elymus canadensis var. villosus Elymus wiegandii f. wiegandii Elymus canadensis subsp. canadensis Elymus canadensis var. canadensis Terrellia canadensis var. glaucifolia