Drummond's Sesbania

Sesbania drummondii is a member of the Fabaceae family and is commonly referred to as poisonbean, rattlebox, or rattlebush. It is a perennial shrub that grows in the southeastern United States, ranging from Texas east to Florida. Its distribution also extends into parts of Mexico and Central America, including El Salvador. The species was published in 1936 and is part of the genus Sesbania.