genus spergula
Học thuậtThân thiện
Definition
Noun 1. A small genus of Old World annual herbs: "Genus Spergula" is the scientific (taxonomic) name for a small group of flowering plants. This genus belongs to the family Caryophyllaceae and is native to Europe and Asia. Its most common member is Spergula arvensis, commonly known as corn spurry.
Usage Notes
- "Genus Spergula" is a formal, scientific term used primarily in botany, biology, and taxonomy.
- In scientific writing, the genus name is always italicized (or underlined in handwriting). When used in a general sense, as here, it is not capitalized in the middle of a sentence (e.g., "the genus ").
- The common name for plants in this genus is "spurry," with "corn spurry" being the most widespread species.
Examples
- In a botanical text: "The genus comprises several species of slender, annual herbs."
- In a field guide: "Corn spurry, a member of the genus , can be identified by its linear leaves and small white flowers."
- In a scientific discussion: "This study compares the drought resistance of species within genus ."
Advanced Usage
- In taxonomic classification: The full scientific name of an organism includes both the genus and the species epithet (e.g., ). The genus name is always capitalized.
- Abbreviation: After first use in a scientific paper, the genus name is often abbreviated to its first letter if the context is clear (e.g., "").
Variants and Related Words
- Spergula (n.): The singular form, used interchangeably with "genus " in scientific contexts.
- Spergulaceae (n., obsolete): An old family name sometimes used for this group of plants, now generally included in Caryophyllaceae.
- Corn Spurry (n.): The common name for .
Synonyms
- Spurry genus: A less formal descriptive synonym.
- (No direct common-language synonym): As a precise scientific taxonomic category, it has no true synonym in everyday language.
Related Phrases
- Type genus: While not a phrasal verb, this is a related taxonomic phrase. A type genus is the genus that defines a family. is the type genus for the (obsolete) family Spergulaceae.
Noun
- small genus of Old World annual herbs: corn spurry