bracteole

/'bræktioul/ Cách viết khác : (bractlet) /'bræktlet/

Thân thiện

A tiny bracteole sits at the base of a flower's stem.

Definition

1. Noun:
   • A small bract: In botany, a "bracteole" is a very small or secondary bract. A bract itself is a modified or specialized leaf, often associated with a reproductive structure like a flower or inflorescence. A bracteole is typically found on the pedicel (the stalk of a single flower) rather than the main stem.

Usage Examples

• Noun:
  • The tiny bracteole at the base of each flower pedicel is often overlooked.
  • Botanists distinguish between a primary bract and a smaller bracteole further up the flower stalk.

Advanced Usage

• In botanical descriptions: The term is used in precise taxonomic keys and morphological descriptions to identify plant species.
  • The presence and shape of the bracteole are key diagnostic features for this genus.

Variants and Related Words

• Bractlet (n): A synonym for bracteole.
• Bract (n): The primary modified leaf from which the concept of a bracteole is derived.
• Prophyll (n): A specialized term sometimes used for the first bract or bracteole on a shoot or flower stalk.

Synonyms

• Bractlet: A direct synonym.
• Secondary bract: A descriptive synonym.

Related Terms (Not Phrasal Verbs or Idioms)

• Involucre: A whorl or cluster of bracts surrounding a flower or inflorescence, within which bracteoles may be found.
• Pedicel: The stalk of an individual flower, which is a common location for bracteoles.

Học thuật

Noun

1. a small bract

Từ đồng nghĩa

• bractlet