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Sisymbrium officinale

Species category

Weed

Common name

hedgemustard, hedge tumblemustard, hedgeweed, hairypod hedgemustard, wild 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

Blocky and irregular

Size

  • Length 1–1.3 mm
  • Width 0.5–0.7 mm
  • Thickness 0.3–0.5 mm

Color

Brown with greenish cast

Texture

Reticulations small and irregular

Other structures

Groove between lobes is indistinct.

Identification notes

Seeds are compressed rectangular with one surface flat and the other humped. Margins of cotyledonsCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
 are not distinctly marked with a green line. Color is dark greenish brown. Surface is rough. Seeds 1mm or longer, making them somewhat longer than S. altissimum.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Brassicaceae

Valid name

Sisymbrium officinale (L.) Scop.

Synonyms

Erysimum officinale L.
Sisymbrium officinale (L.) Scop. var. leiocarpum DC.

From Left to Right: 1. Sisymbrium officinale 2. Sisymbrium altissimum 3. Camelina microcarpa .
From Left to Right: 1. Sisymbrium officinale 2.Sisymbrium altissimum 3. Camelina microcarpa.
Sisymbrium officinale. True seeds with margins of cotyledons not distinctly marked with a green line, and color is dark greenish brown.
Sisymbrium officinale. True seeds with margins of cotyledons not distinctly marked with a green line, and color is dark greenish brown.