Eragrostis tef

Species category

Agricultural, Weed

Common name

teff

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

Top view: ovalOval:
Broadly elliptic.
.

Side view: embryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
side is straight.

Size

  • Length 1–1.6 mm
  • Width 0.6–0.8 mm
  • Thickness 0.6–0.8 mm

Color

Brown with dark brown longitudinal flecks

Texture

Smooth

Lemma

None

Palea

None

Other structures

ScutellumScutellum:
A shield-shaped highly modified, single cotyledon in grasses (Poaceae) that absorbs nutrients from the endosperm and provides energy for germination.
is light brown.

Identification notes

EmbryoEmbryo:
A rudimentary plant contained in a seed, usually consisting of a more or less differentiated axis and attached cotyledon(s).
is approximately two-thirds the length 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).
.

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

Eragrostis tef (Zuccagni) Trotter

Synonyms

Eragrostis abyssinica (Jacq.) Link
Poa tef Zuccagni

 Eragrostis tef.  Caryopses with an embryo that is approximately two-thirds the length of the caryopsis.
Eragrostis tef. Caryopses with an embryo that is approximately two-thirds the length of the caryopsis.
 Eragrostis tef.  Caryopses with a light brown scutellum.
Eragrostis tef. Caryopses with a light brown scutellum.