Bignonia catalpa
| Bignonia catalpa Linnaeus, Sp. Pl. 622. 1753. | | TYPE: SOUTH CAROLINA: Without data (lectotype: Catesby, Nat. Hist. Carolina 1: t. 49. 1730). Lectotypified by Reveal, Bartonia 56: 17. 1990. |
Catalpa catalpa
| Catalpa catalpa (Linnaeus) H. Karsten, Deut. Fl. 277. 1882, nom. inadmiss. | BASIONYM: Bignonia catalpa Linnaeus 1753. | |
Catalpa cordifolia
| Catalpa cordifolia Moench, Methodus 464. 1794. | BASIONYM: Bignonia catalpa Linnaeus 1753. | |
Catalpa ternifolia
| Catalpa ternifolia Cavanilles, Descr. Pl. 26. 1802, nom. illegit. | BASIONYM: Catalpa cordifolia Moench 1794; Bignonia catalpa Linnaeus 1753. | |
Catalpium amena
| Catalpium amena Rafinesque, Fl. Ludov. 139. 1817, nom. illegit. | BASIONYM: Catalpa cordifolia Moench 1794; Bignonia catalpa Linnaeus 1753. | |
Catalpa arborea
| Catalpa arborea Payer, in Payer & Baillon, Lecons Fam. Nat. 214. 1862. | | |
Catalpa bignonioides forma aurea
| Catalpa bignonioides Walter, forma aurea (Bureau) Schelle, in Beissner et al., Handb. Laubholzben. 434. 1903. | BASIONYM: Catalpa bignonioides Walter, var. aurea Bureau 1894. | |
Catalpa bignonioides forma koehnei
| Catalpa bignonioides Walter, forma koehnei (Hesse) Schelle, in Beissner et al., Handb. Laubholzben. 434. 1903. | BASIONYM: Catalpa syringifolia Sims, var koehnei Hesse 1903. | |
Catalpa bignonioides forma nana
| Catalpa bignonioides Walter, forma nana (Bureau) Schelle, in Beissner et al., Handb. Laubholzben. 434. 1903. | BASIONYM: Catalpa bignonioides Walter, var. nana Bureau 1894. | |
Catalpa bignonioides var. aurea
| Catalpa bignonioides Walter, var. aurea Bureau, Nouv. Arch. Mus. Hist. Nat., ser. 3. 6: 183. 1894. | | |
Catalpa bignonioides var. koehnei
| Catalpa bignonioides Walter, var. koehnei (Hesse) Hesse ex Dode, Bull. Soc. Dendrol. France 1907: 206. 1907. | BASIONYM: Catalpa syringifolia Sims, var. koehnei Hesse 1903. | |
Catalpa bignonioides var. nana
| Catalpa bignonioides Walter, var. nana Bureau, Nouv. Arch. Mus. Hist. Nat., ser. 3. 6: 183. 1894. | | |
Catalpa communis
| Catalpa communis Dumont du Courset, Bot. Cult. 2: 189. 1802. | | |
Catalpa syringifolia
| Catalpa syringifolia Sims, Bot. Mag. 27: t. 1094. 1806. | | |
Catalpa syringifolia var. koehnei
| Catalpa syringifolia Sims, var. koehnei Hesse, Gartenflora 52: 47. 1903. | | |
Catalpa umbraculifera
| Catalpa umbraculifera Ugolini, Bull. Soc. Tosc. Ortic. 13: 330. 1888. | | |