Lotus pedunculatus

Species category

Agricultural, Revegetation or Rangeland

Common name

big trefoil, greater bird's-foot trefoil, loto de los pantanos

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 spherical-globose

Size

  • Length 0.8–1.1mm
  • Width 0.8–1.1 mm
  • Thickness 0.6–0.8 mm

Color

Olive-brown

Texture

Smooth

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is small and round without whitish collar.

Identification notes

These seeds do not have the whitish collar surrounding the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
. Other varieties of this species may have color mottling.

Noxious weed seed categories

Not listed

AOSA examination list

Included

Nomenclature

Family

Fabaceae

Valid name

Lotus pedunculatus Cav.

Synonyms

Lotus decumbens Poir. 
Lotus pedunculatus Cav. var. villosus (Lamotte) O. Bolos & Vigo 
Lotus uliginosus Schkuhr

 Lotus pedunculatus.  Seeds with no white collar around the hilum. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Lotus pedunculatus. Seeds with no white collar around the hilum. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.