bract

/brækt/

Thân thiện

A pink poinsettia plant displays its bright red bracts.

Definition

1. Noun:
   • A specialized leaf or leaf-like structure located just below and protecting a flower cluster (inflorescence). It is typically smaller or different in form from the plant's regular foliage leaves.

Examples of Usage

• Noun:
  • The bright red bracts of the poinsettia are often mistaken for petals.
  • Botanists study the shape and color of the bract to help identify plant species.
  • Each tiny flower in the inflorescence is subtended by a small, green bract.

Advanced Usage

• "Bracteate" (adj): Possessing or bearing bracts.
  • The bracteate inflorescence was clearly visible under the microscope.
• "Bracteal" (adj): Of or relating to a bract.
  • The bracteal morphology differs significantly from the stem leaves.

Variants and Related Words

• Bracteole (n): A small or secondary bract, often situated on a flower stalk (pedicel).
  • The bracteoles at the base of each flower were almost translucent.
• Involucre (n): A whorl or cluster of bracts surrounding an inflorescence, common in plants of the aster family.
  • The daisy's involucre is composed of many overlapping green bracts.

Synonyms

• Modified leaf: A general descriptive term.
• Floral leaf: A leaf associated with a flower structure.

Related Phrases

(Note: "Bract" is a specific botanical term and does not commonly form phrasal verbs or idioms in general English.) - Subtended by a bract: A botanical phrase describing a flower or flower cluster that has a bract at its base. - The spikelet is subtended by two sterile bracts.

Học thuật

Noun

1. a modified leaf or leaflike part just below and protecting an inflorescence