Fraxinus excelsior

Học thuật
Thân thiện
Definition

Noun: * A species of tree: Fraxinus excelsior is the scientific name for the European ash, a large deciduous tree native to Europe and parts of Asia. It is characterized by its compound leaves, which are dark green and smooth on top and paler with fine hairs underneath, and its distinctive black buds.

Usage
  • is primarily used in scientific, botanical, and forestry contexts to precisely identify this specific species of ash tree, distinguishing it from other ash species like (white ash) or (green ash).
  • In common language, this tree is typically referred to simply as "ash" or "European ash."
Examples
  • The ancient woodland is dominated by native species such as and Fraxinus excelsior.
  • Fraxinus excelsior is highly valued for its strong, elastic timber, traditionally used for tool handles and sports equipment.
  • The spread of ash dieback disease is severely affecting populations of Fraxinus excelsior across the continent.
Advanced Usage
  • In ecological studies, is noted as a keystone species in some riparian (riverbank) habitats.
  • The name follows binomial nomenclature, where is the genus (ash) and (meaning "taller" or "higher") is the specific epithet.
Variants and Related Words
  • Common Ash (n): The most frequent common name for .
  • European Ash (n): Another common name, specifying its primary geographical range.
  • Ash (n): The general term for trees of the genus .
  • Fraxinus (n): The genus name encompassing all ash tree species.
Synonyms
  • European ash
  • Common ash
Related Phrases / Terms
  • Ash dieback: A serious disease caused by the fungus that affects .
  • Compound leaf: The type of leaf structure characteristic of , where multiple leaflets form a single leaf.
  • Black bud: A key identifying feature of , referring to the color of its winter buds.
Noun
  1. tall ash of Europe to the Caucasus having leaves shiny dark-green above and pale downy beneath