Nuphar variegata Durand
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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
Nymphaeaceae
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Scientific Name
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Description
Species Description - Durand Floating lvs 10–25 cm, two-thirds as wide, usually rounded above, the narrow basal sinus seldom over half as long as the midvein; submersed lvs few or none; petioles flattened on the upper side and narrowly winged; fls (2.5)3.5–5 cm thick, sep mostly 6, usually reddish within or on the basal half; anthers 4–7 mm, longer than the filaments; stigmatic disk green or greenish, 1 cm wide, mostly 10–15-rayed; fr ovoid, 2–4.5 cm, only slightly constricted below the disk; 2n=34. Ponds; Nf. to B.C., s. to Del., n. O., Io., Kans., and Ida. Summer. (N. fraterna)