Stems erect, 3-7 dm, finely hairy; lower lvs often petioled and dentate, but usually soon deciduous; median and upper lvs lanceolate to oblanceolate, 2-6 cm נ4-15 mm, usually obtuse, entire, tapering to a sessile or shortly petiolar base; lower bracts similar to the lvs, the upper progressively smaller, the uppermost about equaling the cal; cor blue (pink), 18-28 mm, ascending or suberect; 2n=32. Fields and open woods; e. Mass. to Fla. and Tex., especially on the coastal plain; also inland to s. O., Ky., and Tenn. May-July.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
