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Species of water lily From Wikipedia, the free encyclopedia
Nymphaea × daubenyana is a species of waterlily endemic to Chad, but has been introduced to Florida, USA. It is a natural hybrid of Nymphaea micrantha and Nymphaea nouchali var. caerulea.[1]
Nymphaea × daubenyana | |
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Nymphaea × daubenyana cultivated at the Brooklyn Botanic Garden, New York, USA | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Order: | Nymphaeales |
Family: | Nymphaeaceae |
Genus: | Nymphaea |
Species: | N. × daubenyana |
Binomial name | |
Nymphaea × daubenyana W.T.Baxter ex Daubeny[1] | |
It is endemic to Chad, but has been introduced to Florida, USA[1] | |
Synonyms[1] | |
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It has a tuberous rhizome. The cordate, elliptical-roundish, 30 cm wide leaves have an entire margin. The adaxial surface is coloured brightly green with red marks. The abaxial leaf surface is pale - brownish red. Proliferating tissue is found on the leaf blade above the attachment point of the petiole.[2][3]
The blue flowers are 10 cm wide. The narrow petals have an acute apex.[3][2] The ovules are bitegmic and anatropous.[4] The flowers are fragrant.[5][6][7]
A chromosome count of 89 or 87 chromosomes has been reported.[8] The diploid chromosome count has also been reported to be 2n = 42.[9]
Vegetative reproduction through foliar proliferation occurs in Nymphaea × daubenyana.[3][10][11]
It was first named by W.T.Baxter, but only later validly published by Charles Giles Bridle Daubeny (1795-1867) in 1864.[1]
It is placed in Nymphaea subgenus Brachyceras.[12]
It is named after Professor Charles Giles Bridle Daubeny.
It is suited for cultivation in small ponds, containers, and aquaria.[13][14][6][15] It is a fast growing and floriferous species.[6] Despite being a tropical waterlily, it is relatively cold-tolerant.[16]
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