carduus
Definition
- Noun:
- A genus of plants: "Carduus" is the scientific name for a genus of flowering plants in the aster family (Asteraceae), commonly known as true thistles or plumeless thistles. These plants are characterized by their spiny leaves and stems, and typically have purple or pink flower heads.
Examples of Usage
- Noun:
- The field was overrun with Carduus, their purple flowers standing tall among the grasses.
- Botanists study the various species within the genus Carduus to understand their ecological impact.
Advanced Usage
- In botanical classification: The term "Carduus" is used in scientific and academic contexts to refer specifically to this taxonomic group, distinguishing it from other thistle genera like or .
- The specimen was keyed out and definitively identified as a member of Carduus.
Variants and Related Words
- Carduaceous (adj): Belonging to or characteristic of the thistle tribe Cardueae (or Cynareae), which includes the genus .
- Thistle (n): The common name for many prickly plants, including but not limited to those in the genus .
Synonyms
- Plumeless thistle: A common name for plants in this genus, referring to the absence of the feathery pappus (seed plume) found on some other thistles.
- True thistle: Another general common name used to distinguish from other thistle-like plants.
Related Phrases
- Carduus nutans: The scientific name for the Musk thistle, a well-known and often invasive species within the genus.
- Carduus nutans is a noxious weed in many pastures.
- Carduus acanthoides: The scientific name for the Spiny plumeless thistle.
- The spread of Carduus acanthoides is a concern for farmers.
Noun
-
genus of annual or perennial Old World prickly thistles
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