Ambrosiaceae

plural noun

Am·​bro·​si·​a·​ce·​ae

amˌbrōz(h)ēˈāsēˌē

in some classifications

: a family of herbs comprising all the composites (as ragweeds) that have the flower head subtended by an involucre of separate or united bracts and the stamens separate or merely connivent see compositae

Word History

Etymology

New Latin, from Ambrosia, type genus + -aceae

First Known Use

1834, in the meaning defined above

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