Definitions

1. Noun:
   • Subdivision: A category in biological classification ranking below a genus and above a species; a subgenus.
   • Section: A taxonomic rank used to group related species within a genus, often equivalent to a subgenus in some classification systems.

Usage Examples

• Noun:
  • Trong phân loại học, "phân chi" là một cấp bậc dưới chi và trên loài. (In taxonomy, a "subgenus" is a rank below genus and above species.)
  • Các nhà thực vật học thường chia một chi lớn thành nhiều phân chi. (Botanists often divide a large genus into several subgenera.)

Advanced Usage

• In formal taxonomy: Used in the scientific naming of organisms, where the subgenus name is placed in parentheses between the genus and species names.
  • Tên khoa học đầy đủ có thể bao gồm cả tên phân chi. (The full scientific name can include the subgenus name.)

Variants and Related Words

• Chi (Genus): The taxonomic rank above subgenus.
• Loài (Species): The taxonomic rank below subgenus.
• Phân loài (Subspecies): A rank below species.

Synonyms

• Subgenus (in biological taxonomy).
• Section (in some botanical and anatomical contexts).

Related Phrases

• Phân chi thực vật: Plant subgenus.
• Phân chi động vật: Animal subgenus.
• Hệ thống phân chi: Subgeneric classification system.

Notes on Usage

• This is a specialized scientific term primarily used in biology, botany, and zoology. It is rarely used in everyday conversation.
• In some older or specific classification systems, "phân chi" may be considered equivalent to "section" (a rank sometimes below subgenus).

1. Subdivision.
2. (sinh học) Subgenus