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1 Leaves 3 (-7) lobed, the lobes acute, the primary sinuses deep, over halfway to the petiole (the middle lobe 70-90% as long as the total length of the leaf blade); involucral bracts acute
|1 Leaves 3-lobed, the lobes broadly rounded, the primary sinuses less deep, about halfway to the petiole (the middle lobe 50-70% as long as the total length of the leaf blade); involucral bracts obtuse|