Cypripedium kentuckiense C.F. Reed. Section: Cypripedium. Phen: May; Jun-Aug. Hab: Sandy ravine bottoms and springhead seeps along small streams. Dist: KY, AR, and OK south to GA, AL, MS (ambiguous specimen), LA, and e. TX; disjunct in e. VA (Weldy et al. 1996).
Origin/Endemic status: Endemic
Taxonomy Comments: Case et al. (1998) studied isozymes of C. kentuckiense and related Cypripedium spp.; the recognition of C. kentuckiense as a species was supported.
Other Comments: Edens-Meier et al. (2021) discussed pollination ecology of C. kentuckiense.
Synonymy: = Ar, C, ETx1, FNA26, K1, K3, K4, Tn, Va, Sheviak (1994), Wallace & Case (2000); < Cypripedium calceolus var. pubescens (Willd.) Knight – F, G, Correll (1950); < Cypripedium pubescens Willd. – S