Fraxinus quadrangulata

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Definition

Noun 1. A species of ash tree: Fraxinus quadrangulata is the scientific name for a specific type of ash tree, commonly known as the blue ash. It is characterized by its distinctive four-angled or square twigs, bluish-green foliage, and hard, durable brown wood. This tree is native to the central and southern United States.

Usage Notes
  • This term is a proper noun, specifically a scientific binomial name (genus and species). It is always written in italics in formal botanical contexts.
  • The first part, , is the genus name (capitalized). The second part, , is the specific epithet (not capitalized).
  • In everyday language, the common name "blue ash" is more frequently used.
Examples of Usage
  • Scientific/Formal Context:
    • The study focused on the drought resistance of Fraxinus quadrangulata compared to other native species.
    • You can identify Fraxinus quadrangulata by the squared stems on its young branches.
  • General Context (using the common name):
    • The blue ash (Fraxinus quadrangulata) is known for its exceptionally hard wood.
Advanced Usage
  • Taxonomic Classification: The term is used precisely within the hierarchical system of biological classification to uniquely identify this species.
    • In the family Oleaceae, Fraxinus quadrangulata is one of several North American ash species.
Variants and Related Words
  • Blue ash: The standard common name for .
  • : The genus name for all true ash trees.
  • Ash tree: The general term for trees belonging to the genus .
Synonyms
  • Blue ash
Different Meanings
  • This term has only one specific meaning: it refers exclusively to this particular species of tree. It is not used idiomatically or in other contexts.
Noun
  1. ash of central and southern United States with bluish-green foliage and hard brown wood

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