Poa supina

Species category

Turf

Common name

supine 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

Narrowly ovateOvate:
Egg-shaped with basal end the broadest.

Size

  • Length 2–2.8 mm 
  • Width 0.6–0.8 mm 
  • Thickness 0.5–1 mm 

Color

Dark brown 

Texture

Smooth

Lemma

Strong central, marginal and intermediate nerves

Palea

Protrudes out of lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.

Other structures

Central lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and marginal nerves are woolly.

Identification notes

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

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Poa supina Schrad.

 Poa supina.  Florets with a woolly central lemma and marginal nerves , and a lemma apex that is sometimes transparent. 
Poa supina. Florets with a woolly central lemma and marginal nerves , and a lemma apex that is sometimes transparent.