Chloris gayana

Species category

Agricultural, Revegetation or Rangeland

Common name

Rhodes grass

Diagnostic characters

Planting unit

Multiple 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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length: 2 mm
  • Width: 1 mm
  • Thickness: 1 mm

Color

Light to dark brown

Texture

Smooth with hairs at the upper margins and central nerve of lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.

Lemma

Hairy on the margins and sometimes on the central nerve; awned.

Palea

Mostly obscured by the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and secondary floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
.

Other structures

One or two additional floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
, the lower one sometimes fertile

Identification notes

The unit is a floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
with one or two attached floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
. The lower of the attached floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
may be fertile but usually both are sterile. The degree of pubescence may vary.

Noxious weed seed categories

Not listed

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Poaceae

Valid name

Chloris gayana Kunth

 Chloris gayana.  Florets are smooth with hairs at the upper margins and the central nerve of the lemma.
Chloris gayana. Florets are smooth with hairs at the upper margins and the central nerve of the lemma.
 Chloris gayana.  Florets are smooth with hairs at the upper margins and the central nerve of the lemma. Brown caryopses.
Chloris gayana. Florets are smooth with hairs at the upper margins and the central nerve of the lemma. Brown caryopses.