Poa alpina

Species category

Revegetation or Rangeland, Turf, Weed

Common name

alpine 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

Lanceolate 

Size

  • Length 3–3.8 mm 
  • Width 1–1.3 mm 
  • Thickness 0.9–1.1 mm 

Color

Brown

Texture

Smooth

Lemma

PubescentPubescent:
Having hairs.
on keel, margin, and of intermargins on the lower half

Palea

Hairy margins

Other structures

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

Identification notes

Surface of floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
can be slightly mottled.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Poa alpina L.

Synonyms

Poa alpina L. var. vivipara
Poa alpina
L. ssp. vivipara (L.) Arcang.
Poa vivipara (L.) Willd.

 Poa alpina.  Florets that have a slightly mottled surface.
Poa alpina. Florets that have a slightly mottled surface.