involucre
1. [ noun ] (botany) a highly conspicuous bract or bract pair or ring of bracts at the base of an inflorescence
Related terms: bract
Similar spelling:   involucrate
  involute
  involve
  involuntary
  involved
  influent
  influenza
  influence
  influx
  involution
  inviolate
  involvement
  inviolable
  invaluable
  influential