Onobrychis viciifolia

Species category

Agricultural

Common name

sainfoin, common sainfoin

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

Asymmetrically obovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 6 mm
  • Width 4 mm
  • Thickness 2 mm

Color

Yellow

Texture

Coarse teeth toward top of margins; sides coarsely reticulate.

Other structures

Indehiscent pod's sides are coarsely reticulate.

Identification notes

Seed usually enclosed in an indehiscent podPod:
A dehiscent fruit produced by leguminous plants (beans, peas). Also known as a legume.
. Hulled seeds are about 3 mm long, semicircular in shape, and dark reddish-brown in color. The hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
lies in a shallow indentation near the middle of the straight edge of the seed.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Onobrychis viciifolia Scop.

Synonyms

Hedysarum onobrychis L.
Onobrychis sativa Lam.
Onobrychis viciaefolia Scop., orth. var.

 Onobrychis viciifolia.  Indehiscent pod with sides that are coarsely reticulate. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Onobrychis viciifolia. Indehiscent pod with sides that are coarsely reticulate. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.