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 |
Subgenus: | Nymphaea subg. Brachyceras |
Species: | N. × daubenyana |
Binomial name | |
Nymphaea × daubenyana W.T.Baxter ex Daubeny | |
It is endemic to Chad, but has been introduced to Florida, USA | |
Synonyms | |
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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.
Description
Parent species of the natural hybridNymphaea × daubenyana W.T.Baxter ex DaubenyNymphaea micrantha Guill. & Perr.Nymphaea nouchali var. caerulea (Savigny) Verdc.
Vegetative characteristics
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.
Generative characteristics
The blue flowers are 10 cm wide. The narrow petals have an acute apex. The ovules are bitegmic and anatropous. The flowers are fragrant.
Cytology
A chromosome count of 89 or 87 chromosomes has been reported. The diploid chromosome count has also been reported to be 2n = 42.
Reproduction
Vegetative reproduction
Vegetative reproduction through foliar proliferation occurs in Nymphaea × daubenyana.
Taxonomy
Publication
It was first named by W.T.Baxter, but only later validly published by Charles Giles Bridle Daubeny (1795-1867) in 1864.
Placement within Nymphaea
It is placed in Nymphaea subgenus Brachyceras.
Etymology
It is named after Professor Charles Giles Bridle Daubeny.
Cultivation
It is suited for cultivation in small ponds, containers, and aquaria. It is a fast growing and floriferous species. Despite being a tropical waterlily, it is relatively cold-tolerant.
References
- ^ "Nymphaea × daubenyana W.T.Baxter ex Daubeny". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 28 December 2023.
- ^ Nymphaea in Flora of North America @ efloras.org. (n.d.). Retrieved December 28, 2023, from http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=122531
- ^ De Thabrew, W. V. (2014). "A Manual of Water Plants." pp. 181-182. USA: AuthorHouse.
- Kraehmer, H. (2019). "Grasses: Crops, Competitors, and Ornamentals." p. 95. John Wiley & Sons.
- Niklitschek, A. (1955). "Vom Zimmergarten der Zukunft: neue Tatsachen und Probleme." p. 190. Deutschland: Bruckmann.
- ^ "Illustrirte Garten-Zeitung." p. 21. (1883). Deutschland: (n.p.).
- Rodd, T., Bryant, G., & Barnard, L. (2007). "The plant finder: The Right Plants for Every Garden." p. 521. Richmond Hill, Ont. : Firefly Books.
- Tischler, G. F. L. (1953). "Allgemeine Pflanzenkaryologie: Ergänzungsband: Angewandte Pflanzenkaryologie." p. 445. Deutschland: Gebr. Borntraeger.
- Hossain, A., Kabir, G., Ud-deen, M. M., & Alam, A. M. S. (2007). "Cytological studies of Nymphaea species available in Bangladesh." Journal of Bio-Science, 15, 7-13.
- Labarre, E. J. (1935). “Viviparous” Succulents. The Cactus Journal, 4(2), 36–37. http://www.jstor.org/stable/42784943
- Schmucker, Th. (1932). PHYSIOLOGISCHE UND ÖKOLOGISCHE UNTERSUCHUNGEN AN BLÜTEN TROPISCHER NYMPHAEA-ARTEN. Zeitschrift Für Wissenschaftliche Biologie. Abteilung E. Planta, 16(2), 376–412. http://www.jstor.org/stable/23841796
- Weidlich, W. H. (1976). The Organization of the Vascular System in the Stems of the Nymphaeaceae. II. Nymphaea Subgenera Anecphya, Lotos, and Brachyceras. American Journal of Botany, 63(10), 1365–1379. https://doi.org/10.2307/2441845
- Böswirth, D., Thinschmidt, A. (2019). "Miniwassergärten (Mein Garten): Gestalten Pflanzen Pflegen." p. 72. Deutschland: Franckh-Kosmos Verlags-GmbH & Company KG.
- Heß, T. (2021). "Kosmos Gartenjahr 2022: Der praktische Arbeitskalender mit Aussaattagen." p. 84. Deutschland: Franckh-Kosmos Verlags-GmbH & Company KG.
- Nymphaea × daubenyana. (n.d.). Flowgrow. Retrieved December 28, 2023, from https://www.flowgrow.de/db/aquaticplants/nymphaea-daubenyana#:~:text=Nymphaea%20x%20daubenyana%20is%20a%20cultivated%20hybrid%20of,basis%2C%20which%20makes%20this%20Nymphaea%20easy%20to%20propagate.
- Nymphaea “Daubeniana” (Dauben, daubeniana). (n.d.). North Carolina Extension Gardener Plant Toolbox. Retrieved December 28, 2023, from https://plants.ces.ncsu.edu/plants/nymphaea-daubeniana/
Taxon identifiers | |
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Nymphaea × daubenyana |