Definition of phyllary in US English:

phyllary

noun

Botany
  • Any of the bracts forming the involucre in plants of the family Asteraceae (Compositae).

Origin

Mid 19th century; earliest use found in Arthur Henfrey (d. 1859), botanist. From scientific Latin phyllarium from Hellenistic Greek ϕυλλάριον small leaf from ancient Greek ϕύλλον leaf + -άριον, extended form of -ιον, diminutive suffix.

Pronunciation

phyllary

/ˈfɪləri/