Panicum coloratum

Species category

Revegetation or Rangeland

Common name

kleingrass

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 2–2.5 mm
  • Width 1–1.1 mm
  • Thickness 0.5–0.8 mm

Color

Olive-brown with yellow nerves, a wide yellow spot on the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
center

Texture

Smooth and shiny

Lemma

Hard; arched and thickest midway; light-yellow spot on center.

Palea

Hard; mostly flat and as wide as 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.
.

Other structures

Scar is small and inconspicuous.

Identification notes

Units mostly found as floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
. However, spikeletsSpikelet:
One or more florets that are subtended by a pair of bracts called glumes. Spikelets are pedicellate if located on a pedicle and sessile if attached directly to the rachis. Often spikelets with single florets have remnants of a second floret, usually a lemma.
occur and are composed of small first glumeGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
, a second glumeGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
and sterile lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
of equal length (and pointed), and finally 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.
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet, Panicum spp.

Nomenclature

Family

Poaceae

Valid name

Panicum coloratum L.

 Panicum coloratum . Olive-brown florets with yellow nerves, a wide yellow spot on the lemma center.
Panicum coloratum. Olive-brown florets with yellow nerves, a wide yellow spot on the lemma center.
 Panicum coloratum . Spikelets can be found and are composed of a small first glume, a second glume, and a sterile lemma of equal length (and pointed), and finally the floret. 
Panicum coloratum. Spikelets can be found and are composed of a small first glume, a second glume, and a sterile lemma of equal length (and pointed), and finally the floret. 
From Left to Right: 1.  Panicum capillare  2.  Panicum coloratum  3.  Panicum virgatum . Smooth and shiny florets.
From Left to Right: 1. Panicum capillare 2. Panicum coloratum 3. Panicum virgatum. Smooth and shiny florets.