anthodium
noun
an·tho·di·um
anˈthōdēəm
plural anthodia
-dēə
1
: the capitulum in plants of the family Compositae, the involucre simulating a calyx and the rays when present resembling petals
2
: the involucre in the Compositae
Word History
Etymology
New Latin, from Greek anthōdēs flowerlike (from anth- anth- entry 1 + -eidēs -oid) + New Latin -ium