Schedonorus arundinaceus

Species category

Revegetation or Rangeland, Turf

Common name

tall 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 6.5 mm 
  • Width 1.5 mm 
  • Thickness 1 mm 

Color

Light brown 

Texture

GranularGranular:
Resembling or consisting of small grains or particles.
, hispid on nerves and dull

Lemma

Broadest midway; long pointed at apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.

Palea

Concavity broad and shallow

Other structures

RachillaRachilla:
The axis of a spikelet.
is narrow and hispid with disc on apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.

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.
awnless, callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
fairly broad and thin. CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
moderately thick with dark-colored pericarpPericarp:
Fruit wall; derived from the ovary wall.
.

Noxious weed seed categories

State Noxious Weed: Delaware, Maryland, New Hampshire, New Jersey, Pennsylvania, Virginia, West Virginia 

AOSA examination list

Included

Nomenclature

Family

Poaceae

Valid name

Schedonorus arundinaceus (Schreb.) Dumort.

Synonyms

Festuca arundinacea Schreb.
Festuca elatior
L. ssp. arundinacea (Schreb.) Hack.
Festuca elatior L. var. arundinacea (Schreb.) Wimm.
Festuca fenas
Lag.
Festuca uechtritziana
Wiesb.
Lolium arundinaceum (Schreb.) S.J. Darbyshire
Schedonorus phoenix (Scop.) Holub 

 Schedonorus arundinaceus.  Florets with a thick caryopsis that has a dark colored pericarp.
Schedonorus arundinaceus. Florets with a thick caryopsis that has a dark colored pericarp.
 Schedonorus arundinaceus.  Awnless florets.
Schedonorus arundinaceus. Awnless florets.
From Left to Right: 1.  Schedonorus arundinacea  2.  Schedonorus pratensis  .
From Left to Right: 1. Schedonorus arundinacea 2. Schedonorus pratensis .