Hirsute to glabrate perennial, decumbent or ascending, rooting at the lower nodes, 3–6 dm; lvs strigose or glabrate, variable, ovate or narrower, 3–9 × 1.5–4 cm, incised or incised-pinnatifid to trifid; spikes pedunculate, depressed-capitate at anthesis, elongating in fr; bracts to as long as the cal, linear-attenuate, hirsute, usually ciliate; cal 10–13 mm, glandular-hirsute, with very slender, unequal lobes; cor blue to purple or white, the tube twice as long as the cal, the limb 11–15 mm wide, the lobes emarginate; anther appendages large (occasionally absent); fr constricted along the lines of cleavage, the nutlets 3–3.5 mm, reticulate-scrobiculate; 2n=30. Various habitats, often in disturbed soil; Ill. to Tenn., s. Pa., Va., and Fla., w. to Colo. and Tex., and intr. in Mich. and Minn. Feb.–Oct. (Glandularia c.; G. lambertii; G. drummondii; Verbena drummondii)
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