Phalaris canariensis

Species category

Agricultural

Common name

annual canarygrass, common canarygrass

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

EllipticElliptic:
Outline of an ellipse; greatest width midway sloping to an equally pointed apex and base.

Size

  • Length 5.5 mm
  • Width 2–2.2 mm
  • Thickness 1.2–1.4 mm

Color

Light brown with yellow longitudinal lines

Texture

Sterile lemmasLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
glabrous; fertile lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
with short hairs at tip.

Lemma

Hard; laterally compressed.

Palea

Hard; mostly 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

Two sterile lemmasLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
are over half the length 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.
.

Identification notes

Some texts call this unit a spikelet because of the two sterile lemmasLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
attached to 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 glabrousGlabrous:
Lacking hairs or pubescence.
sterile lemmasLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
are loose and spreading so that they are often broken off.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Poaceae

Valid name

Phalaris canariensis L.

 Phalaris carnariensis . Florets with two sterile lemmas that are over half the length of the floret.
Phalaris carnariensis. Florets with two sterile lemmas that are over half the length of the floret.
From Left to Right: 1.  Phalaris arundinacea  2.  Phalaris canariensis.  Light brown florets with yellow longitudinal lines. 
From Left to Right: 1. Phalaris arundinacea 2. Phalaris canariensis. Light brown florets with yellow longitudinal lines.