The name 'passion' is a reference to the crucifixion of Jesus of Nazareth. Parts of the flower are said to resemble instruments used during the crucifixion. Given the proper support this plant makes an excellent climbing vine hedge.

Specimen tree. Red to yellow in the fall.

Tolerates winter flooding. This is a wetland plant. It is rarely grown, but it has potential in appropriate sites. Wet wildflower garden. For appearance, cut back to the ground in winter.

The genus name honors the English botanist William Vernon, who did fieldwork in North America. Back of a moist wildflower garden. Can also use on the edges of natural or created wetlands and streams.