1.(Bot.) A large genus of American, mostly tropical, climbing shrubs, having compound leaves and showy somewhat tubular flowers. Bignonia capreolata is the cross vine of the Southern United States. The trumpet creeper (also called the trumpet vine), with large red tubular flowers, was formerly considered to be of this genus, but is now classified as Campsis radicans.
2.Any member of the family Bignoniaceae, including the bignonia (1), catalpa, trumpet creeper, and princess tree. They typically have brightly colored tubular (trumpet-shaped) flowers.
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