Definition

Noun 1. A specific aquatic plant species: Lemna trisulca is the scientific name for a species of duckweed, a very small, free-floating aquatic plant. It is characterized by its slender, branching fronds (leaf-like structures) that often grow submerged or just below the water surface, unlike many other duckweeds that float on top.

Usage Notes

• This term is a proper noun, specifically a binomial nomenclature (scientific name). It is always written in italics (or underlined when handwriting). The first part, , is the genus name and is capitalized. The second part, , is the specific epithet and is written in lowercase.
• It is used in formal, scientific, botanical, and ecological contexts to precisely identify this particular species. It is not used in everyday conversation.

Examples

• Scientific Context:
  • The pond's surface was covered with Lemna trisulca and other aquatic vegetation.
  • Under the microscope, the forked fronds of Lemna trisulca are clearly visible.
  • The study focused on the growth rate of Lemna trisulca under different nutrient conditions.

Advanced Usage

• Taxonomic Classification: The name places the organism within a hierarchical system: Kingdom (Plantae), Family (Araceae), Genus (), Species ().
• Common Name Association: While the scientific name is fixed, this species is commonly referred to as star duckweed or ivy-leaved duckweed in non-scientific contexts, though these names can be less precise.

Variants and Related Words

• Duckweed (n): The common name for the family (Lemnaceae) of small, floating aquatic plants to which belongs.
• Frond (n): The leaf-like or stem-like structure of duckweeds, ferns, and algae.
• Aquatic plant (n): A plant that grows in or on water.

Synonyms

• Star duckweed (Common name)
• Ivy-leaved duckweed (Common name)

Different Meanings

• This term has only one meaning: it refers exclusively to this specific biological species. It is not used idiomatically or in other contexts.

Noun

1. cosmopolitan in temperate regions except North America