Strophostyles is monophyletic three-species genus of flowering plants in the family Fabaceae, subfamily Faboideae.

[3][4] Common names for the genus include wild bean and fuzzybean (due to their pubescent pods and seed coverings).

[4][5] It consists of annual and perennial herbaceous vines, ranging in their native distribution from Nevada, east to Florida, and north to the Great Lakes and eastern Canada.

[6] Strophostyles is the only genus within subtribe Phaseolinae (e.g., Phaseolus, Vigna, Lablab) with a native distribution center in the United States.

[4] Strophostyles typically inhabits sites near freshwater or saline reservoirs (e.g., ponds, ditches, coastal dunes, etc.