| 1 | Native | Northern America | Northern Mexico | Mexico | San Luis Potosí | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Sinaloa | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Northern Mexico | Mexico | Tamaulipas | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Campeche | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Chiapas | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Colima | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guanajuato | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Guerrero | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Jalisco | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Northern America | Southern Mexico | Mexico | México | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Michoacán de Ocampo | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Morelos | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Nayarit | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Oaxaca | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Puebla | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Querétaro | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Tabasco | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Veracruz de Ignacio de la Llave | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Northern America | Southern Mexico | Mexico | Yucatán | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Acre | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Amazonas | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Bahia | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Ceará | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Espírito Santo | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Goiás | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Maranhão | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Mato Grosso do Sul | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Minas Gerais | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Pará | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Paraíba | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Paraná | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Pernambuco | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Piauí | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Brazil | Brazil | Rio de Janeiro | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Rio Grande do Sul | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | Santa Catarina | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Brazil | Brazil | São Paulo | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Caribbean | Cuba | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Caribbean | Jamaica | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Caribbean | Trinidad and Tobago | Trinidad | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | Belize | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | Costa Rica | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | El Salvador | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | Guatemala | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | Honduras | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | Nicaragua | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Central America | Panama | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Northern South America | French Guiana | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Northern South America | Suriname | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Northern South America | Venezuela | Amazonas | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Anzoátegui | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Apure | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Northern South America | Venezuela | Aragua | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Barinas | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Northern South America | Venezuela | Bolívar | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Carabobo | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Cojedes | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Falcón | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Lara | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Mérida | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Miranda | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Portuguesa | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Northern South America | Venezuela | Táchira | | Hokche, O. et al. 2008. Nuevo catálogo de la flora vascular de Venezuela. |
| 1 | Native | Southern America | Northern South America | Venezuela | Zulia | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Southern South America | Argentina | Corrientes | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Southern South America | Argentina | Jujuy | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Southern South America | Argentina | Misiones | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Southern South America | Argentina | Salta | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Southern South America | Argentina | Tucumán | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Alto Paraná | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Amambay | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Caaguazú | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Caazapá | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Canindeyú | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Central | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Concepción | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Cordillera | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Guairá | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Itapúa | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Misiones | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | Paraguarí | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Paraguay | San Pedro | | Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. |
| 1 | Native | Southern America | Southern South America | Uruguay | | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Bolivia | Chuquisaca | | Jørgensen, P. M., ed. Catálogo de las plantas vasculares de Bolivia (Catalogue of vascular plants of Bolivia) (on-line resource). |
| 1 | Native | Southern America | Western South America | Bolivia | El Beni | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Bolivia | La Paz | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Bolivia | Pando | | Jørgensen, P. M., ed. Catálogo de las plantas vasculares de Bolivia (Catalogue of vascular plants of Bolivia) (on-line resource). |
| 1 | Native | Southern America | Western South America | Bolivia | Santa Cruz | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Bolivia | Tarija | | Jørgensen, P. M., ed. Catálogo de las plantas vasculares de Bolivia (Catalogue of vascular plants of Bolivia) (on-line resource). |
| 1 | Native | Southern America | Western South America | Colombia | Atlántico | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Colombia | Bolívar | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Colombia | Cauca | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Colombia | Chocó | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Colombia | La Guajira | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Colombia | Magdalena | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Colombia | Nariño | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Colombia | Sucre | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Colombia | Valle del Cauca | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Ecuador | Guayas | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Peru | Amazonas | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Peru | Cajamarca | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Peru | Cusco | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Peru | Huánuco | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Peru | Junín | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Peru | Loreto | | Lohmann, L. G. & C. M. Taylor. 2014. A new generic classification of tribe Bignonieae (Bignoniaceae). Ann. Missouri Bot. Gard. 99:402. |
| 1 | Native | Southern America | Western South America | Peru | Madre de Dios | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |
| 1 | Native | Southern America | Western South America | Peru | San Martín | | Pool, A. 2007. A revision of the genus Pithecoctenium (Bignoniaceae). Ann. Missouri Bot. Gard. 94:628-633. |