Agropyron desertorum

Species category

Agricultural, Revegetation or Rangeland

Common name

desert wheatgrass

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: 6 mm
  • Width: 1 mm
  • Thickness: 1 mm

Color

Yellow

Texture

Smooth

Lemma

Long triangle, broadest at the base.

Palea

Margins have strong wide-spaced teeth.

Other structures

RachillasRachilla:
The axis of a spikelet.
of various lengths.

Identification notes

Several floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
are borne in a spikeletSpikelet:
One or more florets that are subtended by a pair of bracts called glumes. Spikelets are pedicellate if located on a pedicle and sessile if attached directly to the rachis. Often spikelets with single florets have remnants of a second floret, usually a lemma.
. The floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
nearer the base of the spikeletSpikelet:
One or more florets that are subtended by a pair of bracts called glumes. Spikelets are pedicellate if located on a pedicle and sessile if attached directly to the rachis. Often spikelets with single florets have remnants of a second floret, usually a lemma.
have shorter and wider rachillasRachilla:
The axis of a spikelet.
. Often two or more floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
will remain attached together (multiple floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
).

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Poaceae

Valid name

Agropyron desertorum (Fisch. ex Link) Schult.

Synonyms

Agropyron cristatum (L.) Gaertn. ssp. desertorum (Fisch. ex Link) Á. Löve
Agropyron cristatum (L.) Gaertn. var. desertorum (Fisch. ex Link) Dorn

 Agropyron desertorum.  Florets.
Agropyron desertorum. Florets.
From Left to Right: 1.  Agropyron desertorum  2.  Agropyron cristatum  3.  Agropyron fragile  ssp.   sibericum .
From Left to Right: 1. Agropyron desertorum 2. Agropyron cristatum 3. Agropyron fragile ssp. sibericum.