Calycocarpum lyonii (Pursh) A. Gray. Cupseed, Lyonia-vine. Phen: May-Jul (-Oct); Jul-Sep (-Nov). Hab: Mesic upland, riparian, and bottomland forests, stream banks, wet hammocks. Dist: E. TN, sc. KY, s. IN, s. IL, MO, and e. KS, south to se. GA, Panhandle FL, s. AL, s. MS, s. LA, and e. TX. Reported from SC, but rejected based on mistaken evidence (K. Bradley, pers.comm., 2020).

Origin/Endemic status: Native

Synonymy: = Ar, C, FNA3, G, GrPl, Il, K1, K3, K4, NcTx, S, S13, Tn, Tx, WH3; = Calycocarpum lyoni – F, orthographic variant

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Wetland Indicator Status:

• Atlantic and Gulf Coastal Plain: FACW
• Eastern Mountains and Piedmont: FACW
• Great Plains: FACW
• Midwest: FACW

Heliophily ?: 5