(bɪɡˌnəʊnɪˈeɪʃəs) adj (Plants) of, relating to, or belonging to the Bignoniaceae, a chiefly tropical family of trees, shrubs, and lianas, including jacaranda, bignonia, and catalpaThesaurus
Adj.
1.
bignoniaceous - of or pertaining to or characteristic of plants of the family Bignoniaceae