Trillium stamineum Harbison. Subgenus: Sessilia. Twisted Trillium, Helicopter Trillium. Phen: Late Mar-mid May. Hab: Floodplains, slopes, especially over limestone. Dist: Sw. KY (Logan and Todd counties; Brock 2020) and c. TN (Chester et al. 1993) south to c. AL and e. MS.
Origin/Endemic status: Endemic
Syn: = FNA26, K1, K3, K4, S, Tn, Case & Case (1997), Freeman (1975), Patrick (1986)