Lax annual 2–4 dm, strigose throughout; lower lvs petioled, often pinnately compound, the upper sessile and clasping, coarsely pinnately lobed, the lobes 3–11, triangular or oblong, often falcate, sharply acute; cymes secund, 6–20-fld; cor commonly blue, broadly campanulate or subrotate, 5–13 mm wide, its lobes conspicuously fringed, glabrous; filaments villous below the middle; cor with very small appendages in the tube; ovules 4; seeds 2–4, 1.5–3 mm; 2n=18. Rich moist woods; e. Pa. to S.C. and Ga., w. to se. Ont., n. Ind., e.c. Ill., e. Mo., and Ala. Apr.–June.
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