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..2 Plant prostrate; achenes ca. 0.4 mm long
....3 Herbs, stems to 2 dm long; leaves spatulate to obovate, their bases all cuneate to rounded; achene surfaces smooth; [FL peninsula and more widely scattered north to VA, AR, AR, and TX]
....3 Shrubs or subshrubs, stems to 5 dm long; leaves obovate to orbiculate, the smaller leaves of each pair typically cordate at the base; achene surfaces pebbled; [FL peninsula]
........5 Achenes 1-1.5× as long as broad, pebbled, dark brown, dark purple, or black, the margins slightly paler; leaves usually matte or slightly shiny
........5 Achenes 1.5-2× as long as broad, smooth, green or light brown, with slightly raised dark to black lines and mottlings; leaves usually shiny
..........6 Leaf apices acuminate; leaves usually variegated with silver and/or brown
..........6 Leaf apices rounded; leaves green, not variegated