Stems 1-few, erect, mostly simple, 6-15 dm, finely hairy; petioles 1-5 mm, shorter than the stalk of the terminal lfl; stipules lanceolate, 3-5 mm, caducous; lfls thick, oblong to linear-oblong, mostly 3-7 cm נ6-12 mm, rather densely hairy beneath as well as reticulate- veiny; infl large, with several strict, ascending branches 1-3 dm; fls mostly pinkish to lavender, 5 mm, on pedicels 1.5-4.5 mm; cal 2-3 mm; stipe 1-3 mm; articles 1-3, convex above, rounded below, 4-6.5 נ3-4.5 mm. Dry, sandy soil; R.I. to s. Ont., Mich., and Kans., s. to N.C., Miss., and Tex., commoner westward. July, Aug.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.