Lycium ferocissimum

Species category

Weed

Common name

African boxthorn

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

Discoid

Size

  • Length 1.5–1.7 mm
  • Width 0.3–0.5 mm
  • Thickness 0.3–0.5 mm

Color

Yellow to dark brown

Texture

RugoseRugose:
Having veinlets sunken and areas in between raised. Wrinkled.

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
is on seed margin.

Identification notes

Seed shape has a small twist and is not totally flat.

Noxious weed seed categories

Federal

Learn more on ITP's Federal Noxious Weed Disseminules tool.

AOSA examination list

Not included

Nomenclature

Family

Solanaceae

Valid name

Lycium ferocissimum Miers

Synonyms

Lycium ferrocissimum Miers, orth. var.

 Lycium ferocissimum.  Seeds are not totally flat; they have a small twist. Photo by Julia Scher, USDA-APHIS-PPQ.
Lycium ferocissimum. Seeds are not totally flat; they have a small twist. Photo by Julia Scher, USDA-APHIS-PPQ.
 Lycium ferocissimum.  Seeds are not totally flat; they have a small twist. Photo by Julia Scher, USDA-APHIS-PPQ.
Lycium ferocissimum. Seeds are not totally flat; they have a small twist. Photo by Julia Scher, USDA-APHIS-PPQ.
 Lycium ferocissimum.  Rugose seeds that are not totally flat; they have a small twist. Photo by Julia Scher, USDA-APHIS-PPQ.
Lycium ferocissimum. Rugose seeds that are not totally flat; they have a small twist. Photo by Julia Scher, USDA-APHIS-PPQ.
 Lycium ferocissimum.  Rugose seeds surface. Photo by Julia Scher, USDA-APHIS-PPQ.
Lycium ferocissimum. Rugose seeds surface. Photo by Julia Scher, USDA-APHIS-PPQ.
 Lycium ferocissimum.  Seed hilum. Photo by Julia Scher, USDA-APHIS-PPQ.
Lycium ferocissimum. Seed hilum. Photo by Julia Scher, USDA-APHIS-PPQ.
 Lycium ferocissimum.  Berries. Photo by Julia Scher, USDA-APHIS-PPQ.
Lycium ferocissimum. Berries. Photo by Julia Scher, USDA-APHIS-PPQ.