Definition

Noun 1. A species of flowering plant: Centaurea scabiosa is the scientific name for a tall, perennial herbaceous plant native to Europe. It is characterized by its purple, thistle-like flower heads.

Usage Notes

• This term is a proper noun, specifically a binomial (two-part) scientific name in Latin. The first part () is the genus, and the second part () is the specific epithet that identifies the species.
• It is used in formal, scientific, and botanical contexts to precisely identify this specific plant species. In everyday gardening or general conversation, its common names are more frequently used.

Examples

• Scientific/Botanical Context:
  • The meadow was dotted with Centaurea scabiosa and other native wildflowers.
  • This study compares the pollination rates of Centaurea scabiosa and Centaurea nigra.
• Identification:
  • Based on the leaf structure and flower head, I believe this specimen is Centaurea scabiosa.

Advanced Usage

• In Taxonomic Writing: The name is often italicized. When used repeatedly after the first full mention, the genus name may be abbreviated to its initial: .

Variants and Related Words

• Common Names: Greater knapweed, hardheads. These are the non-scientific names used in general English.
• Genus Relative: Centaurea (n): The larger genus to which this species belongs, containing many plants commonly called knapweeds or star-thistles.
• Related Species: (Common knapweed), (Cornflower).

Synonyms

• Greater knapweed
• Hardheads

Different Meanings

• Not to be confused with: The genus (pincushion flowers), which is a different but related group of plants. The specific epithet refers to the plant's rough, scabby leaves or its historical use for treating skin ailments, not its taxonomic family.

Noun

1. tall European perennial having purple flower heads