Definition

Noun: - Involucre: In botany, a structure consisting of a group or ring of bracts (modified leaves) that surround or enclose a flower cluster, an inflorescence, or a single flower. It is a protective covering, often seen in plants of the aster family (Asteraceae).

Usage Examples

• Noun:
  • Các bông hoa nhỏ được bảo vệ bởi một tổng bao xanh. (The small florets are protected by a green involucre.)
  • Tổng bao của cây bồ công anh rất dễ nhận biết. (The involucre of the dandelion is very recognizable.)

Advanced Usage

• This term is highly specialized and used almost exclusively in scientific, academic, or botanical contexts. It is not common in everyday conversation.

Variants and Related Words

• Lá bắc (n): Bract. A modified leaf associated with a flower or inflorescence. While related, a "lá bắc" is typically a single bract, whereas a "tổng bao" is a collection of them forming a cup or whorl.
  • Mỗi hoa con có một lá bắc nhỏ. (Each floret has a small bract.)

Synonyms

• Bract cluster: A group of bracts.
• Involucrum: The Latin-derived synonym used in botanical taxonomy.

Notes on Usage

• "Tổng bao" is a technical botanical term. Learners are unlikely to encounter it outside of specific scientific texts or discussions about plant morphology.