Trillium reliquum J.D. Freeman. Subgenus: Sessilia. Relict Trillium. Phen: Mid Mar-late Apr. Hab: Rich forests on bluffs and ravine slopes. Dist: Known from two disjunct areas, along the Savannah River in the vicinity of Augusta, on the border of SC (Aiken and Edgefield counties) and GA (Richmond county), and along the Chattahoochee River and tributaries in sw. GA (Clay and Early counties) and se. AL (Lee, Bullock, and Henry counties). It also occurs in scattered locations in the upper coastal plain of GA in the drainages of the Chattahoochee, Flint, Ocmulgee, Oconee, and Savannah River drainages (S. Bowling, pers. comm., 2023).

Origin/Endemic status: Endemic

Synonymy: = FNA26, K1, K3, K4, Case & Case (1997), Freeman (1975), Patrick (1986), Patrick (2007); = n/a – RAB

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Heliophily: 4