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{{SPlantbox
|genus=Nymphaea
|species=rudgeana
|Temp Metric=°F
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|image=Upload.png
|image_width=240
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{{Inc|
Nymphaea rudgeana, G. F. W. Mey. Lvs. elliptic to sub- orbicular, 18 in. long, margin coarsely and irregularly sinuate-dentate: fls. 3-6 in. across, imperfectly open 2 or 3 nights from twilight until dawn; usually only the sepals and 4, 8 or 12 outer petals open, the remaining parts forming a closed ovoid bud; occasionally a slight aperture is formed by drawing apart of the tip of the bud, which occurs before midnight; petals usually 16- 20; stamens 43-83. Trop. Amer.
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{{Inc|
{{Inc|
Nymphaea amazonum, Mart. & Zucc. Lvs. ovate, entire; lobes rounded; upper and lower surfaces spotted brownish or blackish, under surface reddish brown; petiole with a ring of long hairs at the point of joining the lf.: fls. 3-6 in. across, imperfectly open 1 or 2 nights; the bud opens about half and closes again between 3 and 6 A.M. the first night; the second night the sepals and outer row of petals open about 7 P.M., the other parts remaining as a tight, white bud until 3.30 A.M., when the fl. opens fully from 4.30-5 A.M., then closes by 6.30 A.M. and draws down into the water; petals usually 20; stamens 93-297. Trop. Amer. B.M. 4823.
Nymphaea amazonum, Mart. & Zucc. Lvs. ovate, entire; lobes rounded; upper and lower surfaces spotted brownish or blackish, under surface reddish brown; petiole with a ring of long hairs at the point of joining the lf.: fls. 3-6 in. across, imperfectly open 1 or 2 nights; the bud opens about half and closes again between 3 and 6 A.M. the first night; the second night the sepals and outer row of petals open about 7 P.M., the other parts remaining as a tight, white bud until 3.30 A.M., when the fl. opens fully from 4.30-5 A.M., then closes by 6.30 A.M. and draws down into the water; petals usually 20; stamens 93-297. Trop. Amer. B.M. 4823.
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