Onopordum acanthium

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Thân thiện
Definition

Noun: 1. A specific species of thistle: A tall, biennial Eurasian plant, characterized by its spiny, white-hairy stems and leaves, and pale purple flower heads. It has been introduced and become established in other regions, such as North America. * This is the scientific name for the plant commonly known as "cotton thistle" or "Scotch thistle."

Examples of Usage
  • Noun:
    • The field was dominated by the imposing silhouette of Onopordum acanthium. (The field was dominated by the imposing silhouette of the cotton thistle.)
    • Botanists study the invasive spread of Onopordum acanthium in non-native habitats. (Botanists study the invasive spread of the Scotch thistle in non-native habitats.)
Advanced Usage
  • In botanical or scientific contexts: The term is used precisely to identify this specific species within the genus , distinguishing it from other thistles.
    • The specimen was keyed out and confirmed to be Onopordum acanthium. (The specimen was identified and confirmed to be cotton thistle.)
Variants and Related Words
  • Common Names:
    • Cotton thistle (n): A common name for this plant, referring to the cotton-like hairs on its stems.
    • Scotch thistle (n): Another common name, often associated with Scotland's national emblem.
  • Genus Name:
    • Onopordum (n): The genus to which this species belongs, comprising several types of thistles.
Synonyms
  • Cotton thistle (n): The most direct common name synonym.
  • Scotch thistle (n): A widely used alternative common name.
Related Terms (Not Phrasal Verbs)
  • Thistle (n): The general category of flowering plants characterized by leaves with sharp prickles, to which belongs.
  • Biennial plant (n): A plant that takes two years to complete its biological lifecycle, which describes the growth pattern of .
Noun
  1. biennial Eurasian white hairy thistle having pale purple flowers; naturalized in North America

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