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....3 Lobes of basal leaves 0.5-1.5 mm wide; disc corollas whitish; pappi 1-2 mm.
......4 Stems about equally leafy throughout, the leaves not much reduced upwards; involucres finely tomentose throughout; corolla through funnelform; [xeric sands of the Carrizo Formation, Coastal Plain]
......4 Stems mostly leafy below, the leaves strongly reduced upwards; involucres variously pubescent to glabrate; [gravels, clays, and sands, mainly inland of the Coastal Plain]
........5 Lower leaf surfaces densely velvety white-pubescent; pappus scales 0.1-2.0 mm long; [collectively more widespread].
..........6 Basal leaves simple or 1-pinnate; disc corollas usually purplish (rarely whitish); pappus scales 0.3-2.0 mm long; [sw. AR south to w. LA and e. TX].
............ 7 Cauline leaves (6-) 8016; phyllaries 6-12 mm long; corollas whitish to purplish; pappus scales 0.3-1 (1.5) mm long