Definition

Noun: * A weedy plant of the nightshade family (Solanum elaeagnifolium) characterized by silvery-gray foliage and violet, blue, or white flowers. It produces a round berry historically used to curdle milk. Its range extends from the central United States to South America.

Usage

• This term is used specifically as the common name for the plant species . It is primarily used in botanical, agricultural, and ecological contexts.
• It functions as a countable noun (e.g., , ).

Examples

• The pasture was infested with silver-leaved nightshade, a persistent weed toxic to livestock.
• Botanists are studying the spread of silver-leaved nightshade into new regions.
• The silver-leaved nightshade is easily identified by its distinctive silvery foliage and star-shaped purple flowers.

Advanced Usage

• The plant is often discussed in terms of its status as an invasive weed in agricultural systems and its toxicity to animals.
• Its historical use as a rennet substitute for curdling milk is a point of ethnobotanical interest.

Variants and Related Words

• Silverleaf nightshade: A common variant of the name, often used interchangeably.
• White horse-nettle: Another regional common name for the same species.
• Trompillo: A common name used in the southwestern United States and Mexico.
• Solanum elaeagnifolium: The scientific (Latin) name for the species.

Synonyms

• Prairie berry
• Satansbos (a name used in South Africa, where it is also invasive)

Notes on Different Meanings

• The term is highly specific and refers only to this particular species. It should not be confused with other plants in the nightshade family (Solanaceae), such as deadly nightshade () or black nightshade (), which are different species with different properties.

Noun

1. weedy nightshade with silvery foliage and violet or blue or white flowers; roundish berry widely used to curdle milk; central United States to South America