Monographs Details: Baptisia calycosa var. calycosa
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. Dry sandy pine flatwoods or with turkey-oak; hillsides to creek beds. May-June.

Discussion:B. calycosa Canby (1878). Modern collections of var Baptisia calycosa are relatively few, and its continuing existence uncertain.