What is "catalpa speciosa"

Catalpa \Ca*tal"pa\, n. [From the language of the Indians of Carolina, where Catesby discovered this tree in the year 1726.] (Bot.) A genus of American and East Indian trees, of which the best known species are the Catalpa bignonioides, a large, ornamental North American tree, with spotted white flowers and long cylindrical pods, and the Catalpa speciosa, of the Mississipi valley; -- called also Indian bean.

Catalpa speciosa, commonly known as the northern catalpa, hardy catalpa, western catalpa, cigar tree, and catawba-tree, is a species of Catalpa native to the midwestern United States.