Sanguinaria canadensis L.
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Authority
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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Family
Papaveraceae
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Scientific Name
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Description
Species Description - Lf orbicular in outline, sometimes 2 dm wide at maturity, 3–9-lobed, the lobes undulate to coarsely toothed; scape 5–15 cm at anthesis; fls without nectar, white (pink), 2–5 cm wide; 4 pet usually longer than the others and the fls quadrangular in outline; fr 3–5 cm; 2n=18. Rich woods; N.S. to Ont. and Man., s. to Fla. and Okla. Apr.