Stems usually several from a fibrous-rooted perennial base, simple or branched above, 1.5-5 dm, villous, especially below, to glabrous; lvs sessile, ovate to lance-oblong, 20-50 נ5-30 mm, rounded to subcordate at base, 3-5-nerved; fls numerous in terminal cymes, short- pediceled, heterostylic; sep lanceolate, 1.7-6.5 mm at anthesis, sometimes ciliate; cor purple to nearly white, hairy within, funnelform, 5.5-9.5 mm, the lobes half as long as the tube; stamens, frs and seeds of no. 1 [Hedyotis canadensis (Willd.) Fosberg]; 2n=12, 24. Dry woods, pine-barrens, prairies, and bottomlands; N.J. to Io., s. to Ga., Miss., and Tex. May-July. (Houstonia p.; Houstonia lanceolata)
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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