Plants erect,
branched from the base, 1.5-4 dm tall; lower and basal leaves ovate, entire to
dentate, petioled, 0.5-4 cm long; cauline leaves linear, from a few to rather
numerous 2-8 cm long; flowers several in a loose raceme or panicle, solitary on
some plants; corolla blue, 1.5-3 cm long, lobes shorter than the tubes; calyx
4-11 mm long; capsule nodding, 5-8 mm long; prairies and rock cliffs from sea
level to the 2000 m level in the mountains.