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Nicotiana tabacum

Species category

Agricultural

Common name

cultivated tobacco

Diagnostic characters

Planting unit

True seedTrue seed:
A mature fertilized ovule consisting of an embryo, with or without and external food reserve (e.g., endosperm) enclosed by the testa.

Shape

OvalOval:
Broadly elliptic.

Size

  • Length 0.75 mm
  • Width 0.5 mm
  • Thickness 0.4 mm

Color

Brown

Texture

Surface shiny with scattered tubercles

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is nipplelike on margin.

Identification notes

Seeds are very small, shiny and covered with prominent tubercles. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 is a narrow yet conspicuous projection on the seed margin.

Noxious weed seed categories

Not listed

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Solanaceae

Valid name

Nicotiana tabacum L.

Nicotiana tabacum. Seeds with a narrow hilum that is a conspicuous projection on the seed margin. 
Nicotiana tabacum. Seeds with a narrow hilum that is a conspicuous projection on the seed margin.