Baptisia alba

Baptisia alba, commonly called white wild indigo or white false indigo, is a herbaceous perennial plant in the bean family Fabaceae. It is native in central and eastern North America, and is typically found in open woodland areas and prairies with tall grasslands. The plant is typically 2 to 3 feet (0.61 to 0.91 m) tall, but can be taller, with white, pealike flowers. There are two varieties, Baptisia alba var. alba and Baptisia alba var. macrophylla....read more on Wikipedia.