Veronica arvensis

Species category

Weed

Common name

corn speedwell, rock speedwell, wall speedwell, common speedwell

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

Obovate 

Size

  • Length 1–1.2 mm 
  • Width 0.7–0.8 mm 
  • Thickness 0.4–0.5 mm 

Color

Light brown 

Texture

Faint transverse tuberculateTuberculate:
Having small pimple-like protuberances.
ridges

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is obovateObovate:
Inverted egg shaped with apical end the broadest.
and laying on the flat side of the seed.

Identification notes

Seed is somewhat translucent with the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
located in the center of one flat side. Very faint, almost microscopic, ridges transverseTransverse:
Set crosswise, crossing or at right angles.
the seed. Ridges are rough or tuberculateTuberculate:
Having small pimple-like protuberances.
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Plantaginaceae

Valid name

Veronica arvensis L.

 Veronica arvensis.  True seeds with an obovate hilum that lies on the flat side of the seed. 
Veronica arvensis. True seeds with an obovate hilum that lies on the flat side of the seed.