1911 Encyclopædia Britannica/Catalpa

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CATALPA, in botany, a genus belonging to the family Bignoniaceae and containing about ten species in America and eastern Asia. The best known is Catalpa bignonioides, a native of the eastern United States which is often cultivated in parks and gardens. It is a stately tree with large heart-shaped pointed leaves and panicles of white bell-shaped flowers streaked with yellow and brown purple.