Lepidium campestre

Species category

Weed

Common name

field pepperweed, cream-anther field pepperwort

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 2.5 mm
  • Width 1.5 mm
  • Thickness 1.5 mm

Color

Brown to black, with a white line between lobes

Texture

Very rough

Other structures

SiliqueSilique:
A fruit usually dehiscing by two lateral valves (having a central septum). The fruits can be long or short in length and round or flat in cross section. Contains more than one seed. Found in Brassicaceae.
is concave on one side and convex on the other.

Identification notes

Seeds obovateObovate:
Inverted egg shaped with apical end the broadest.
and triangular in cross section with a strong indentation on side opposite radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
lobe. Surface is rough and almost tuberculateTuberculate:
Having small pimple-like protuberances.
. Color is black.

Noxious weed seed categories

State Noxious Weed: Arizona, Indiana, West Virginia

AOSA examination list

Included

More information

For more information, see ISMA fact sheet.

Nomenclature

Family

Brassicaceae

Valid name

Lepidium campestre (L.) W.T. Aiton

Synonyms

Neolepia campestris (L.) W.A. Weber
Thlaspi campestre L.

 Lepidium campestre.  Seeds and silicles.
Lepidium campestre. Seeds and silicles.
 Lepidium campestre.  Seeds with a rough and tuberculate surface.
Lepidium campestre. Seeds with a rough and tuberculate surface.