salvinia

Thân thiện

A small salvinia floats on the surface of a calm pond.

Definition

Noun 1. A genus of free-floating aquatic ferns: Salvinia is the type genus of the family Salviniaceae. These are small, rootless ferns that float on the surface of still or slow-moving freshwater.

Usage Examples

• Noun:
  • The pond's surface was completely covered by a dense mat of salvinia.
  • Biologists are studying the invasive potential of Salvinia molesta, a particularly aggressive species.
  • The salvinia plant has small, buoyant leaves arranged in whorls of three.

Advanced Usage

• As a common name: While technically a genus name, "salvinia" is often used as a common name to refer to any fern within this genus, especially in horticultural or ecological contexts.
  • Giant salvinia is a major problem in waterways across the southern United States.

Variants and Related Words

• Salviniaceae (n): The family of aquatic ferns to which the genus belongs.
• Water fern (n): A general common name for ferns in the family Salviniaceae, including and .

Synonyms

• Floating fern (n): A descriptive synonym emphasizing its aquatic, free-floating nature.
• Kariba weed (n): A specific common name for the invasive species .

Notes on Different Meanings

The word "salvinia" has a single, specific botanical meaning. It does not have multiple distinct definitions but refers exclusively to plants within this particular genus of aquatic ferns.

Học thuật

Noun

1. type genus of the Salviniaceae: water ferns

Từ đồng nghĩa

• Salvinia
• genus Salvinia