Poa napensis

Species category

Turf, Weed

Common name

Napa bluegrass

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

Elliptic 

Size

  • Length 2.6–3.5 mm 
  • Width 0.8–1 mm 
  • Thickness 0.8–1 mm 

Color

Brown

Texture

Scabrous 

Lemma

Strong central, marginal and intermediate nerves

Palea

Hairy margins; paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
usually not totally covered by lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
.

Other structures

Lemma apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
is transparent.

Identification notes

LemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
nerves are not hairy.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Poa napensis Beetle

 Poa napensis.  Florets with lemma nerves that are not hairy.
Poa napensis. Florets with lemma nerves that are not hairy.