genus capsella
Học thuậtThân thiện
Definition
Proper noun * A taxonomic genus: "genus Capsella" refers to a small genus of flowering plants in the mustard family (Brassicaceae). It is most commonly associated with a single widespread species.
Usage Notes
- Scientific Context: This term is used primarily in botanical, biological, and taxonomic contexts. It is not typically used in everyday conversation.
- Capitalization: As a proper noun denoting a genus name, "Capsella" is always capitalized. The word "genus" is not capitalized unless it begins a sentence.
- Common Referent: When used, "genus Capsella" almost invariably refers to the common weed known as shepherd's purse ().
Examples
- Scientific Description:
- The plant was classified under the genus Capsella.
- A study of genus Capsella reveals its adaptation to disturbed habitats.
- Comparative Context:
- The genetic structure of genus Capsella differs from that of the closely related genus Arabidopsis.
Advanced Usage
- In Taxonomic Hierarchy: The term is used to specify a rank in biological classification.
- The family Brassicaceae includes the genus Capsella, genus Arabidopsis, and genus Brassica.
Variants and Related Words
- Capsella (n): The standardized, one-word form used in scientific binomial nomenclature.
- Capsella bursa-pastoris is a model organism for studying plant evolution.
- Shepherd's purse (n): The common name for the most well-known species within this genus.
Synonyms
- Shepherd's purse genus: A descriptive synonym used in less formal scientific writing.
Related Terms (Not Synonyms)
- Brassicaceae (n): The mustard family, the higher taxonomic category containing genus .
- Angiosperm (n): A flowering plant, the broader group to which this genus belongs.
- Taxon (n): A general term for any unit of biological classification (e.g., a genus, family, or species).
Noun
- shepherd's purse