Herbs, perennial, erect or somewhat decumbent, to 40 cm, short-pubescent throughout. Leaves deltoid-ovate, acute, ? crenate, the bases rounded or shal-lowly cordate, to 7 cm long and 4 cm wide, sparsely pubescent to glabrous above, pubescent on the veins beneath; petioles to 3 cm long. Inflorescences verticillas-ters, mostly 1-flowered, the bracts lanceolate and ciliate, 2-4 mm long. Flowers with pedicels to 6 mm long at maturity; bracteoles 2, minute, ca less than 0.5 mm long; calyx 2 mm long in flower, ca 4-5 mm long in fruit, the squama then 4-5 mm long, sparsely and minutely pubescent; corolla blue, 12-15 mm long, naked within or very sparsely pubescent; lower stamen pair attached 6-8 mm from the base; gyno-base conspicuous and asymmetrical, the style apparently unlobed. Nutlets (2-)4, + spherical, brown, ca 1.5-1.7 mm in diameter.
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