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Marshes, wet meadows, calcareous fens, bogs and shrub-carr.
Varied. Often found growing amongst sedges.
Nova Scotia and Quebec west to Saskatchewan, south to GA, KY, MO, and NE.
Perennial from filiform rhizomes; stems thin, weak, often relying on other plants for support, somewhat 3-angled, harshly scabrous with stiffly hispid hairs. Stem leaves entire, less than 1cm wide, linear to narrowly lanceolate, often roughened along the edge and midvein below. Flowers pale blue or white, solitary on slender peduncles; sepals triangular to lanceolate, to 5 mm; corolla funnelform, 4-13 mm.
Flowers late June to mid September
Wetland category: Obligate
Abundant flowers can give the appearance of baby's-breath. Two varieties are recognized.
Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY
Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region.
Indiana Academy of Science. The Morton Arboretum. Lisle, Illinois.
© Michael Hough 2004