Perennial 3–10 dm, simple, often hairy, especially below; lvs ascending, obovate to oblanceolate or lanceolate, 5–10 cm, hairy, the upper gradually reduced to bracts; raceme slender, crowded; bracts lanceolate to linear; pedicels 2–5 mm, bibracteolate at base; hypanthium short, obconic, this and the narrowly lanceolate sep smooth or hirtellous, the sep often with conspicuous reflexed basal auricles; cor blue to white, 7–11 mm, the lower lip bearded at base within; 2n=14. Various habitats, often weedy; Que. and N.S. to Minn., s. to Ga. and Ark. Four vars.
Dry mostly sandy soils, in fields, meadows, glades and thickets.
Can be grown by cuttings or seedlings. Seeds needs stratification.
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