Monographs Details: Baptisia calycosa var. villosa Canby
Authority: Isely, Duane. 1981. Leguminosae of the United States. III. Subfamily Papilionoideae: tribes Sophoreae, Podalyrieae, Loteae. Mem. New York Bot. Gard. 25 (3): 1-264.
Description:Distribution and Ecology - Range as given in key. With pines or oak, on sandy hills, or ruderal (railroads). May-June.

Discussion:B. hirsuta Small (1903). Although Baptisia villosa var villosa is restricted in distribution, I have found it locally common.