- any chiefly tropical American climbing shrub of the genus Bignonia, cultivated for its showy, trumpet-shaped flowers.
- any member of the plant family Bignoniaceae, characterized by trees, shrubs, and woody vines having opposite leaves, showy, bisexual, tubular flowers, and often large, gourdlike or capsular fruit with flat, winged seeds, and including the bignonia, catalpa, princess tree, and trumpet creeper.
- any tropical American bignoniaceous climbing shrub of the genus Bignonia (or Doxantha), cultivated for their trumpet-shaped yellow or reddish flowers
