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Villosulous throughout, erect or decumbent at base, diffusely branched, 1-2 dm; lvs triangular-ovate in outline, 2-3 cm, deeply pinnatifid into 3-7 linear or narrowly oblong segments, the larger of these also few-toothed or occasionally pinnatifid, at base somewhat decurrent on the long petiole; pedicels 5-10 mm; cal 3-4 mm at anthesis; cor pale lavender, 3-5 mm. Wet sandy or muddy shores; s. Ont. and O. to Io. and Nebr., s. to Ga. and Tex. July-Oct. (Conobea m.)

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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