Lepidium latifolium

Species category

Weed

Common name

broadleaved pepperweed

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

Compressed ovalOval:
Broadly elliptic.

Size

  • Length 1 mm
  • Width 0.75 mm
  • Thickness 0.25 mm

Color

Reddish-brown

Texture

TuberculateTuberculate:
Having small pimple-like protuberances.

Other structures

Seed has a longitudinal groove between lobes. HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is on the basalBasal:
The base of the fruit or seed opposite the apical end.
end.

Identification notes

Seed a compressed ovalOval:
Broadly elliptic.
with a deep groove dividing 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.

Noxious weed seed categories

State Noxious Weed: Alaska, California, Colorado, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming 

AOSA examination list

Not included

Nomenclature

Family

Brassicaceae

Valid name

Lepidium latifolium L.

Synonyms

Cardaria latifolia (L.) Spach

 Lepidium latifolium.  Seeds with a deep groove dividing the radicle and cotyledon lobes. 
Lepidium latifolium. Seeds with a deep groove dividing the radicle and cotyledon lobes.