genus pyrus
Học thuậtThân thiện
Definition
Noun: 1. A taxonomic category in biological classification: "Genus Pyrus" is the scientific name for the group of flowering plants that includes the pear trees and their closest relatives. It is a genus within the family Rosaceae.
Usage
- "Genus Pyrus" is used in formal, scientific contexts such as botany, horticulture, and taxonomy.
- It refers collectively to all species classified under this genus, not just the common pear tree ().
Examples
- Scientific Classification: "The common pear, , belongs to genus Pyrus."
- Botanical Description: "Genus Pyrus is characterized by its simple leaves and pome fruits."
- Horticultural Context: "Many cultivars developed for fruit production are hybrids within genus Pyrus."
Advanced Usage
- In Taxonomic Hierarchy: The term is used to specify the genus level. For example: "Kingdom: Plantae, Order: Rosales, Family: Rosaceae, Genus: Pyrus, Species: ."
Variants and Related Words
- Pyrus (n.): The abbreviated form of the genus name, often used in italics in scientific writing (e.g., species are deciduous).
- Pome (n.): The type of fruit produced by plants in genus Pyrus (and related genera like , apples), a fleshy fruit with a core.
- Rosaceae (n.): The plant family to which genus Pyrus belongs.
Synonyms
- Pear genus: A common, non-scientific synonym.
Different Meanings
- The word "genus" alone has a broader meaning in biology, referring to a rank in classification below family and above species. "Genus Pyrus" is a specific application of this term.
Noun
- fruit trees native to the Old World: pears