Prosopis rojasiana | SeedImages

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 3.7–4.7 mm
Width 2–3.5 mm
Thickness 1–1.5 mm

Color

Dark brown

Texture

Rough and wrinkled

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 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 rojasiana.

AOSA examination list

Not included

Nomenclature

Family

Fabaceae

Valid name

Prosopis rojasiana Burkart

Prosopis rojasiana. Rough and wrinkled true seeds. Photo by Julia Scher, USDA-APHIS-PPQ.	Prosopis rojasiana. Hilum at base. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis rojasiana. True seeds with a circular line between the margin and center. Photo by Julia Scher, USDA-APHIS-PPQ.	Prosopis rojasiana. True seeds are enclosed in pods. Photo by Julia Scher, USDA-APHIS-PPQ.
Prosopis rojasiana. True seeds are enclosed in pods. Photo by Julia Scher, USDA-APHIS-PPQ.