Solanum viarum | SeedImages

Species category

Weed

Common name

tropical soda apple

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

LenticularLenticular:
Lens-shaped, circular in outline with convex sides.

Size

Length 2–2.8 mm
Width 2–2.2 mm
Thickness 0.6–0.8 mm

Color

Dark brown

Texture

Very fine reticulum with very small interspaces

Other structures

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

Identification notes

Seed hilum is below or on the margin line. Reticulum is exceptionally fine textured.

Noxious weed seed categories

State Noxious Weed: Alabama, Arizona, Arkansas, Florida, Georgia, Louisiana, Mississippi, South Carolina, Texas
Federal

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

AOSA examination list

Not included

Nomenclature

Family

Solanaceae

Valid name

Solanum viarum Dunal

Solanum viarum. True seeds with a hilum, that is a slight indentation on the margin.	Solanum viarum. True seeds with an exceptionally textured reticulum. Photo by Julia Scher, USDA-APHIS-PPQ.
Solanum viarum. True seeds with an exceptionally textured reticulum. Photo by Julia Scher, USDA-APHIS-PPQ.	Solanum viarum. True seeds with a slight indentation on the margin, which is the hilum. Photo by Julia Scher, USDA-APHIS-PPQ.
Solanum viarum. True seeds with a slight indentation on the margin, which is the hilum. Photo by Julia Scher, USDA-APHIS-PPQ.