Vicia sativa subsp. nigra

Species category

Agricultural

Common name

garden vetch, blackpod vetch, narrowleaf 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 to spherical

Size

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

Color

Green with dark mottling to black

Texture

Dull and smooth

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is slightly wedge shaped and 2 mm long.

Identification notes

Seeds are slightly smaller than V. sativa subsp. sativa. The seed of the two varieties have very similar characteristics and intergrade. The edges of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
are slightly depressed at the margins (linear-ovateOvate:
Egg-shaped with basal end the broadest.
and raised along the median groove).

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Vicia sativa L. subsp. nigra (L.) Ehrh

Synonyms

Vicia angustifolia L.
Vicia angustifolia L. var. segetalis (Thuill.) W.D.J. Koch
Vicia angustifolia L. var. uncinata (Desv.) Rouy
Vicia pilosa M. Bieb.
Vicia sativa L. var. angustifolia (L.) Ser.
Vicia sativa L. var. nigra
Vicia sativa
L. var. segetalis (Thuill.) Ser.
Vicia sativa L. ssp. segetalis (Thuill.) Celak.

 Vicia sativa  subsp.  nigra.  True seed with a wedge-shaped hilum. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Vicia sativa subsp. nigra. True seed with a wedge-shaped hilum. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.