Festuca idahoensis

Species category

Revegetation or Rangeland

Common name

Idaho fescue

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 5–8 mm
  • Width 0.9–1 mm
  • Thickness 0.9–1 mm

Color

Brown

Texture

Smooth

Lemma

May have a short awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).

Palea

Covered with short hairs

Other structures

RachillaRachilla:
The axis of a spikelet.
is covered with short hairs.

Identification notes

RachillaRachilla:
The axis of a spikelet.
with flared apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
. Indentation above the callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Festuca idahoensis Elmer

 Festuca idahoensis.  The rachilla is covered with short hairs, and the florets may have a short awn.
Festuca idahoensis. The rachilla is covered with short hairs, and the florets may have a short awn.
 Festuca idahoensis.  The rachilla is covered with short hairs.
Festuca idahoensis. The rachilla is covered with short hairs.