Comments
(
anglais
)
fourni par eFloras
Nuphar variegata is distinct throughout most of its range. The leaves are characteristically floating, being emergent only under low-water conditions. Intermediates between N . variegata and N . microphylla , probably of hybrid origin, are treated as N . rubrodisca . Some intergrading of characteristics occurs where the range overlaps with N . advena (E. O. Beal 1956). This can be observed in the mid-Atlantic region. Intermediates between N . variegata and N . polysepala occur in eastern British Columbia where the two species are sympatric. Authorship and typification of this name were discussed by E. G. Voss (1965).
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Description
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anglais
)
fourni par eFloras
Rhizomes 2.5-7 cm diam. Leaves mostly floating, occasionally submersed; petiole adaxially flattened, with median ridge, winged along margins. Leaf blade abaxially and adaxially green, sometimes abaxially purple-tinged, broadly ovate to oblong, 7-35 5-25 cm, 1.2-1.6 times as long as wide, sinus 1/3-1/2 length of midrib, lobes approximate to overlapping; surfaces glabrous. Flowers 2.5-5 cm diam.; sepals mostly 6, abaxially green to yellow, adaxially usually with red or maroon toward base; petals oblong, thick; anthers 3-9 mm, longer than filaments. Fruit mostly purple-tinged, ovoid, 2-4.3 2-3.5 cm, strongly ribbed, slightly constricted below stigmatic disk; stigmatic disk green, rarely reddened, 8-20 mm diam., entire to deeply crenate; stigmatic rays 7-28, linear to narrowly lanceolate, terminating 0-1(-1.5) mm from margin of disk. Seeds 2.5-5 mm. 2 n = 34.
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Distribution
(
anglais
)
fourni par eFloras
St. Pierre and Miquelon; Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon; Conn., Del., Idaho, Ill., Ind., Iowa, Maine, Md., Mass., Mich., Minn., Mont., Nebr., N.H., N.J., N.Y., N.Dak., Ohio, Pa., R.I., S.Dak., Vt., Wis.
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Flowering/Fruiting
(
anglais
)
fourni par eFloras
Flowering late spring-summer.
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Habitat
(
anglais
)
fourni par eFloras
Ponds, lakes, sluggish streams, and ditches; 0-2000m.
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Synonym
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anglais
)
fourni par eFloras
Nuphar americana Provancher; N. fraterna (G. S. Miller & Standley) Standley; N. lutea (Linnaeus) Smith subsp. variegata (Durand) E. O. Beal; Nymphaea americana (Provancher) G. S. Miller & Standley; N. fraterna G. S. Miller & Standley
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Nuphar variegata
(
anglais
)
fourni par wikipedia EN
Nuphar variegata (variegated pond-lily, bullhead pond-lily or yellow pond-lily[1]) is a plant in the water lily family, Nymphaeaceae. It is native to much of Canada and the northernmost of the United States.[2][3]
Description
Nuphar variegata is an aquatic plant with alternate, simple leaves, on submerged stems. The leaves tend to float on the surface of the water, rather than emerge above as in other Canadian species of Nuphar. The flowers are yellow, borne in summer.
References
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Nuphar variegata: Brief Summary
(
anglais
)
fourni par wikipedia EN
Nuphar variegata (variegated pond-lily, bullhead pond-lily or yellow pond-lily) is a plant in the water lily family, Nymphaeaceae. It is native to much of Canada and the northernmost of the United States.
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