Plant stems
clustered in a mat from a woody caudex, 0.5-4 dm tall; leaves entire, basal ones
petiolate, up to 10 cm long and to 3 cm wide, often wanting; cauline leaves few
mostly sessile up to 8 cm long and 3 cm wide, sometimes smaller; inflorescence
of 1 to several verticels, flowers more or less hanging downward; calyx 1.5-7 mm
high; corolla deep blue-purple (sometimes lighter) 6-11 mm long, somewhat
spreading, not