Resembling no. 1 [Lindernia dubia (L.) Pennell], but fls smaller, commonly 5-6 mm, the sep about as long as the cor-tube; stamens 4, all with anthers. Casual with us, intr. from Eurasia. (L. pyxidaria)
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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