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Key to Marantaceae
Marantaceae
https://fsus.ncbg.unc.edu/main.php?pg=show-key.php&keyid=41174
1 Plants aquatic (or at least in very wet soils); bracts not persistent; flowers purple; sepals ≤ 3 mm long; [more widely distributed in southeastern coastal plain, including se. FL (T. geniculata)]