Definition, Meaning & Synonyms

involucre

Noun
in-ˈväl-ə-ˌkrē
Definition
A whorled or stacked layer of bracts surrounding a flower or flower cluster.
Examples
  • The sunflower has a prominent involucre that helps enclose its blooming head.
  • An involucre can vary in shape and size depending on the plant species.
  • Many flowering plants exhibit a green involucre, which adds to their visual appeal.
Meaning
In botany, an involucre refers to a collection of leaves (bracts) that encircle and protect the flower head or cluster of flowers, usually found in species like daisies and certain types of thistles.
Synonyms
  • Bract cluster
  • Floral sheath
  • Leafy cover