Sisymbrium loeselii

Species category

Weed

Common name

false London rocket, tallhedge mustard, tall hedgemustard, small tumbleweed 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

Irregularly oval 

Size

  • Length 0.7–0.9 mm
  • Width 0.4–0.6 mm 
  • Thickness 0.3–0.5 mm 

Color

Light brown 

Texture

Shiny, irregular and with a faint reticulum

Other structures

Groove separates the radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
and cotyledonCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
lobes.

Identification notes

The seeds are irregular in shape. The shiny texture is unique.

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 loeselii L.

 Sisymbrium loeselii.  True seeds that are irregular in shape and have a shiny texture.
Sisymbrium loeselii. True seeds that are irregular in shape and have a shiny texture.