Vicia villosa subsp. varia

Species category

Agricultural

Common name

winter vetch, hairy 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

Globose

Size

  • Length 4–4.5 mm
  • Width 3–4 mm
  • Thickness 3–4 mm

Color

Black or obscurely mottled

Texture

Smooth to slightly granularGranular:
Resembling or consisting of small grains or particles.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is ovalOval:
Broadly elliptic.
and 2 mm long and flush with the seed surface.

Identification notes

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is ovalOval:
Broadly elliptic.
and flush with the seed surface. ChalazaChalaza:
End of seed opposite the micropyle.
is near the end of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Vicia villosa subsp. varia (Host) Corb.

Synonyms

Vicia varia Host
Vicia varia Host var. varia
Vicia dasycarpa
Ten.
Vicia glabrescens (W. D. J. Koch) Heimerl
Vicia villosa Roth subsp. dasycarpa (Ten.) Cavill.
Vicia villosa Roth var. glabrescens W. D. J. Koch

 Vicia villosa  subsp.  varia.  True seed with the chalaza near the end of the hilum. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Vicia villosa subsp. varia. True seed with the chalaza near the end of the hilum. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.