Species category

Agricultural, Revegetation or Rangeland

Common name

bluebunch wheatgrass

Diagnostic characters

Identification notes

In profile the 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 continuously curved. The color of the caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
is not usually visible through the floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
. Basal floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
sometimes associated with glumesGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
, which are nearly the same length as the floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
. The profile of the floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
shows it to have rather parallel sides. There is often double gray transverseTransverse:
Set crosswise, crossing or at right angles.
lines on the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
. Generally the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
is awnless but sometimes short-awned.

Comments

This entry combines the bluebunch and beardless subspecies of Pseudoroegneria spicata.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature