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Vicia grandiflora

Species category

Weed

Common name

large yellow vetch

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

OvalOval:
Broadly elliptic.
 to rhombic, lens-shaped

Size

  • Length 3.5–4 mm 
  • Width 3.5–4 mm 
  • Thickness 3–3.1 mm 

Color

Brownish and sometimes with faint mottling

Texture

Smooth

Other structures

ChalazaChalaza:
End of seed opposite the micropyle.
 is near one end of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
.

Identification notes

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
 about two-thirds the circumference of the seed.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Vicia grandiflora Scop.

Synonyms

Vicia grandiflora Scop. var. kitaibeliana W.D.J. Koch

Vicia grandiflora. True seeds with the hilum about 2/3 the circumference of the seed. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Vicia grandiflora. True seeds with the hilum about 2/3 the circumference of the seed. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.