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1 Leaves up to 4 cm long and 4 cm wide (rarely slightly larger); petioles up to 15 cm long; petals 6-20 mm long, 2-9 mm wide; achenes 2.5-3.5 mm long, 1.7-2.2 mm wide.
....3 Leaves crowded at base with few on short stems; petiole to 10 cm long; petals 2.5-6 mm wide
....3 Leaves less crowded at base and more numerous on the elongating stem; petiole to 15 cm long (at least some on a plant > 10 cm long); petals 2-9 mm wide.
......4 Bulbils not present in leaf axils after flowering; achenes well-developed; petals 4-9 mm wide