Elymus glaucus

Species category

Flower, Revegetation or Rangeland

Common name

blue wildrye

Diagnostic characters

Planting unit

FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.

Shape

Lanceolate

Size

  • Length 9 mm
  • Width 1.5 mm
  • Thickness 1 mm

Color

Brown

Texture

LemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
is coarsely granularGranular:
Resembling or consisting of small grains or particles.
and sparsely scabrousScabrous:
Rough to the touch, covered with minute points of very short, stiff hairs.
.

Lemma

GlabrousGlabrous:
Lacking hairs or pubescence.
or scabrousScabrous:
Rough to the touch, covered with minute points of very short, stiff hairs.
; with an awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
one to two times the length of the body.

Palea

Deeply concave, densely pubescentPubescent:
Having hairs.
, hairs on the keel short and wide

Other structures

GlumesGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
are lanceolate and long, with two to five scabrousScabrous:
Rough to the touch, covered with minute points of very short, stiff hairs.
nerves, and a long rachillaRachilla:
The axis of a spikelet.
.

Identification notes

FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
is granularGranular:
Resembling or consisting of small grains or particles.
with both lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and palea pubescentPubescent:
Having hairs.
at their upper portions. Keels of the paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
have coarse and widely spread teeth. CallusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
is wide (vertically) and dull.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Elymus glaucus Buckley

 Elymus glaucus.  Florets with long, lanceolate glumes with two to five scabrous nerves, and a long rachilla. 
Elymus glaucus. Florets with long, lanceolate glumes with two to five scabrous nerves, and a long rachilla.