Triticum durum

Species category

Agricultural

Common name

durum wheat

Diagnostic characters

Planting unit

CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).

Shape

OvalOval:
Broadly elliptic.
to obovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 7–8 mm 
  • Width 3–4 mm 
  • Thickness 3–4 mm

Color

Light brown 

Texture

GlabrousGlabrous:
Lacking hairs or pubescence.
with tuft of hair on apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.

Lemma

Usually none

Palea

Usually none

Other structures

CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
is hard and semitranslucent, and its ventralVentral:
Adaxial; of the side of an organ facing the axis (compare dorsal).
crease is wide V-shaped.

Identification notes

EndospermEndosperm:
Nutritive tissue originating from union of the two polar nuclei with a sperm nucleus.
is hard and translucent. Often the surface has flat surfaces with angular edges.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Poaceae

Valid name

Triticum durum Desf.

Synonyms

Triticum pyramidale Percival

 Triticum durum.  Caryopsis is hard and semi-translucent, and its ventral crease is wide, V-shaped.
Triticum durum. Caryopsis is hard and semi-translucent, and its ventral crease is wide, V-shaped.