Catalpa speciosa (Warder ex Barney) Warder ex Engelm.
no HD illustration available (m1)
Catalpa speciosa (Warder ex Barney) Warder ex Engelm. [ Catalpa bignonioides var. speciosa Warder ex Barney] [Bignoniaceae]
Rev. Hort. (Paris), ser. 4, vol. 67 (67e ANNÉE - 1895): (1895) [L. Descamps-Sabouret]