ambrosiaceae(n = noun.plant) family ambrosiaceae - in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds;
is a kind of asterid dicot family
is a member of aster family, asteraceae, compositae, family asteraceae, family compositae
in some classifications considered a separate family comprising a subgroup of the Compositae including the ragweeds. [WordNet 1.5]