Perennial from slender rhizomes, the stems slender, weak, usually reclining
on other plants, 2-6 dm long, 3-angled, usually roughened on the angles. Leaves
sessile, linear or narrowly lanceolate, 1-8 cm long, 2-8 mm wide, reduced upward,
often roughened on the margins and midvein beneath, acuminate at the tip, with
very low remote teeth on the margins, tapered to the base. Flowers solitary
on long, slender pedicels from the upper leaf axils, regular; sepals
triangular to lanceolate, 1.5-5 mm long; corolla funnelform, pale blue
to white, 4-12 mm long. Capsule opening near the base to release the
seeds. Jul--Aug. Fresh wet meadows, fens and boggy places; rare in e ND, ne
SD and e NE, occasional from the Black Hills to c NE; (N.S. and Que. to Sask.,
s to GA, KY, MO and NE).