Gratiola neglecta Torr.
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
Species Description - Annual; stems 1–3 dm, glandular-pubescent; lvs lanceolate to oblanceolate, 2–5(–6) cm, narrowed from near or above the middle to the base; pedicels very slender, widely divergent, 1–2 ( + ) cm; bractlets equaling or surpassing the cal; sep lanceolate, 4–6 mm; cor 8–10 mm, the lobes white, the tube yellowish; fr 3–5 mm; 2n=16. Wet soil; Que. to B.C., s. to Ga. and Ariz.; our most abundant sp. May–July, also again in autumn, and often then with cleistogamous fls. (G. virginica, misapplied)