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1 Leaves pubescent on the veins beneath; flowers 7-13 mm long
|1 Leaves glabrous; flowers 12-21 mm long.|
|..2 Stem robust, 5-13 mm thick below the leaves; plants to 20 dm tall; lower axillary peduncles strongly flattened, with (2-) 3-6 (-15) flowers; lowest peduncle in the axil of the (3rd-) 4th-5th (-8th) leaf; larger leaves 9-25 cm long, 3.5-13 cm wide; lower leaves clasping to 300°|
|..2 Stem slender, 1.5-5 mm in diameter; plants to 9 dm tall; lower axillary peduncles terete or nearly so, with (1-) 2-3 (-5) flowers; lowest peduncle in the axil of the (1st-) 3rd (-5th) leaf; larger leaves 5.5-15 cm long, 1.2-6 cm wide; lower leaves clasping to 90 (-180)°.|
|....3 Corolla (11-) 13-15 (-19) mm long; larger leaves 5.5-15 cm long, 1.2-6 cm wide, 3-6× as long as broad; [widespread]|
|....3 Corolla 20-23 mm long; larger leaves 6.5-13 cm long, 0.8-2 cm wide, 5-9× as long as broad; [endemic to Panhandle FL]|