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Sinapis alba

Species category

Agricultural

Common name

white mustard

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

Globose

Size

  • Length 2–2.5 mm
  • Width 2–2.5 mm
  • Thickness 2–2.5 mm

Color

Yellow

Texture

Small reticulum with no stipplesStipples:
Numerous small dots or specks.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 flush with the round surface.

Identification notes

Seeds are spherical with fine reticulum, without or obscure stipplesStipples:
Numerous small dots or specks.
. Color is light yellow.

Noxious weed seed categories

State Noxious Weed: Louisiana, Texas

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Brassicaceae

Valid name

Sinapis alba L.

Synonyms

Brassica alba Rabenh., non L.
Brassica hirta Moench

Sinapis alba.  True seeds with a flush hilum with a round surface.
Sinapis alba. True seeds with a flush hilum with a round surface.