Astragalus cicer

Species category

Revegetation or Rangeland, Weed

Common name

chickpea milkvetch

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 mitten shaped with divergent radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.

Size

  • Length: 1.8–2.5 mm
  • Width: 1.7–2 mm
  • Thickness: 0.8–1 mm

Color

Gray-green (sometimes ashy-cream), light brown to light black

Texture

Smooth

Other structures

RadicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
lobe widely divergent to cotyledonCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
lobe; hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
between cotyledonCotyledon:
The modified storage leaf or pair of leaves of an embryo and seedling (see primary leaf).
and radicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
lobes.

Identification notes

RadicleRadicle:
The rudimentary root of the embryo, developing into the primary root after emergence from the seed coat.
lobes are stubby and somewhat squared off at the ends, diverging from the cotyledonary lobe dramatically. Often this divergence is at an approximately 90-degree angle from the axis of the seed. Color lighter on lateral sides of the hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
.

Noxious weed seed categories

State Noxious Weed: Hawaii

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Astragalus cicer L.

 Astragalus cicer.  Color lighter on the lateral sides of the hilum.
Astragalus cicer. Color lighter on the lateral sides of the hilum.
 Astragalus cicer.  Radicle lobes are stubby and somewhat squared off at the ends.
Astragalus cicer. Radicle lobes are stubby and somewhat squared off at the ends.
 Astragalus cicer.  Oval to mitten-shaped with divergent radicle.
Astragalus cicer. Oval to mitten-shaped with divergent radicle.
 Astragalus cicer.  Collar is gray to green (sometimes ashy-cream), and light brown to light black. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.
Astragalus cicer. Collar is gray to green (sometimes ashy-cream), and light brown to light black. Photo courtesy of Colorado State University, Department of Soil and Crop Sciences.