Wisteria frutescens [American Wisteria] is a woody, deciduous, perennial climbing vine, one of various wisterias of the Fabaceae family. It is native to the wet forests and stream banks of the southeastern United States, with a range stretching from the states of Virginia to Texas and extending southeast through Florida, also north to Iowa, Michigan, and New York.
American Wisteria can grow up to 15m long over many supports via powerful clockwise-twining stems. It produces dense clusters of blue-purple, two-lipped, 2-cm-wide flowers on racemes 5–15 cm long in late spring to early summer. These are the smallest racemes produced by any Wisteria.