Prosopis argentina

Species category

Weed

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

ObovateObovate:
Inverted egg shaped with apical end the broadest.

Size

  • Length 5–5.2 mm 
  • Width 3.5–4 mm
  • Thickness 1.5–2 mm 

Color

Light brown 

Texture

Smooth and shiny

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is at the base with a small lateral protrusion.

Identification notes

Circular line between the margin and center.

Noxious weed seed categories

Federal

Learn more on ITP's Federal Noxious Weed Disseminules tool, listed under Neltuma argentina.

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Prosopis argentina Burkart

 Prosopis argentina.  Seeds with a circular line between the margin and center. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis argentina. Seeds with a circular line between the margin and center. Photo by Julia Scher, USDA-APHIS-PPQ.
 Prosopis argentina.  Light brown, smooth, and shiny seeds. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis argentina. Light brown, smooth, and shiny seeds. Photo by Julia Scher, USDA-APHIS-PPQ.
 Prosopis argentina.  Hilum at the base. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis argentina. Hilum at the base. Photo by Julia Scher, USDA-APHIS-PPQ.
 Prosopis argentina.  Seeds in pods. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis argentina. Seeds in pods. Photo by Julia Scher, USDA-APHIS-PPQ.
 Prosopis argentina.  Seeds in pods. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis argentina. Seeds in pods. Photo by Julia Scher, USDA-APHIS-PPQ.