bignoniaceous

from WordNet (r) 3.0 (2006)

bignoniaceous
    adj 1: of or pertaining to or characteristic of plants of the
           family Bignoniaceae

from The Collaborative International Dictionary of English v.0.48

Bignoniaceous \Big*no`ni*a"ceous\, a. (Bot.)
   Of pertaining to, or resembling, the family of plants of
   which the {trumpet flower} (also called {trumpet creeper} and
   {trumpet vine}) is an example.
   [1913 Webster]