Triticum turgidum

Species category

Agricultural

Common name

Emmer, rivet wheat

Diagnostic characters

Planting unit

SpikeletSpikelet:
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.

Shape

OvalOval:
Broadly elliptic.
, spikelet 

Size

  • Length 8–11 mm 
  • Width 3–6 mm
  • Thickness 3–5 mm 

Color

Light brown spikeletSpikelet:
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.
Brown caryopsis 

Texture

Smooth; the tip of the caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
has a tuft of hair

Lemma

Smooth and awnless

Palea

Smooth

Other structures

FloretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
are longer than glumesGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
.

Identification notes

Species is found as 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.
. The occasional caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
has a high dorsalDorsal:
Upper side or back of a seed or fruit.
curve with the ventralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
side curved inward. SpikeletSpikelet:
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.
usually contains two floretsFloret:
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.

Nomenclature

Family

Poaceae

Valid name

Triticum turgidum L.

Synonyms

Triticum dicoccon (Schrank) Schübl.
Triticum dicoccum (Schrank) Schübl., orth. var.
Triticum dicoccoides Koern. ex Schweinf.
 Triticum spelta L. var. dicoccon Schrank, nom. inval.

 Triticum turgidum.  Spikelet that usually contains two florets.
Triticum turgidum. Spikelet that usually contains two florets.