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....3 Leaf bases cuneate, truncate, rounded, or cordate, distinctly petiolate (the petiole > 3 mm long).
......4 Leaves 2-4× as long as wide, the apex acute to acuminate, the base cuneate; plant either with conspicuous black punctate glands on stems and leaves, or black punctate glands absent or minute and inconspicuous.
........5 Black punctate glands absent or minute and inconspicuous
......4 Leaves 0.8-2× as long as wide, the apex rounded to emarginate (or if broadly cuneate, then the base rounded to truncate); plant lacking dark punctate glands (may have pellucid or amber glands).
..........6 Leaves 0.8-1.3× as long as wide; largest leaves < 3 cm long, < 2.5 cm wide; leaf base rounded, truncate, or cordate; leaf venation palmate (with 3-7 main veins arising from a point at the leaf base).
............ 7 Leaf base truncate to cordate; leaf apex acute; primary palmate veins 5-7 from the base
..........6 Leaves 1.3-2× as long as wide; largest leaves > 4 cm long, > 1.5 cm wide; leaf base cuneate; leaf venation pinnate (4-10 secondary veins diverging from the midvein at intervals above the base).
............ ..8 Peduncles with microscopic trichomes
............ ....9 Leaf blades typically oval to suborbicular, broadest near the midpoint, 4-9 cm long; [epiphytic on bark of living branches well above the ground; se. FL (Dade County) hammocks]