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1 Flowering stem leafless above the first branch; corollas blue or white; [plant a perennial native, not weedy]
..2 Corollas red to purple; corolla tubes 3-6 mm long; nutlets 5-8 mm across; basal leaf blades 8-22 (-36.5) cm long
....3 Nutlets 4-6 mm long; lower stem trichomes at right angles or slightly deflexed towards the plant base
....3 Nutlets 1.5-3 (-4) mm long; lower stem trichomes strongly deflexed towards the plant base.