Solanum tampicense | SeedImages

Species category

Weed

Common name

scrambling nightshade, aquatic soda apple, wetland nightshade

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 2–2.5 mm
Width 1.6–2 mm
Thickness 0.4–0.6 mm

Color

Yellow to white

Texture

Reticulate

Other structures

HilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
lobe often very extended.

Identification notes

Shape often modified by an exaggerated hilumHilum:
The scar on the seed coat at the place of its detachment from the seed stalk (funiculus).
margin.

Noxious weed seed categories

State Noxious Weed: Arizona
Federal

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

AOSA examination list

Not included

Nomenclature

Family

Solanaceae

Valid name

Solanum tampicense Dunal

Synonyms

Solanum houstonii Dunel 1813, non Martyn 1807

Solanum tampicense. True seeds with the shape often modified by an exaggerated hilum margin. Photo by Julia Scher, USDA-APHIS-PPQ.	Solanum tampicense. True seeds with the shape often modified by an exaggerated hilum margin. Photo by Julia Scher, USDA-APHIS-PPQ.
Solanum tampicense. True seeds that are reticulate. Photo by Julia Scher, USDA-APHIS-PPQ.	Solanum tampicense. True seeds that are reticulate. Photo by Julia Scher, USDA-APHIS-PPQ.