Biology:Nymphaeales

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Short description: Order of flowering plants

Nymphaeales
Temporal range: 130–0 Ma
Early Cretaceous - Recent
Nymphaea lotus
Trithuria submersa
Barclaya longifolia
Euryale ferox
Nuphar lutea
Victoria boliviana
Brasenia schreberi
Cabomba aquatica
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Salisb. ex Bercht. & J.Presl[1]
Families[2]

Cabombaceae Rich. ex A.Rich.
Hydatellaceae U.Hamann
Nymphaeaceae Salisb.

The Nymphaeales are an order of flowering plants, consisting of three families of aquatic plants, the Hydatellaceae, the Cabombaceae, and the Nymphaeaceae (water lilies). It is one of the three orders of basal angiosperms, an early-diverging grade of flowering plants. At least 10 morphological characters unite the Nymphaeales.[3] One of the traits is the absence of a vascular cambium, which is required to produce both xylem (wood) and phloem, which therefore are missing.[4] Molecular synapomorphies are also known.

The Plant List, created by the Royal Botanic Gardens, Kew and Missouri Botanical Garden recognizes about 70 species in 11 genera within the order,[5] but a phylogenetic study of the genus Nymphaea implies that the number of species could be more than 90.[6] The difference in species numbers is due almost entirely to the difficulty of delineating species in the genus Nymphaea.

All of the species are rhizomatous aquatic herbs with a broad leaf base and large, showy flowers.

Fossils

The fossil record consists especially of seeds, but also pollen, stems, leaves, and flowers. It extends back to the Cretaceous.[7][8] The crown group of the Nymphaeales has been estimated to be about 112 million years old.[9] Some have suggested that this age might be too old.[10]

A basal member of Nymphaeales, Monetianthus, is known from Early Cretaceous Portugal.[11] A fossil member of the Nympheaceae is Jaguariba from the Early Cretaceous of Brazil . Several Cretaceous-age Cabombaceae genera are also known, including Scutifolium from Jordan, Pluricarpellatia from Brazil, and Brasenites from Kansas .[12] The fossil genus Notonuphar, thought to be a close relative of the modern Nuphar, is known from Eocene-aged sediments from Seymour Island, Antarctica.[13] The aquatic plant fossil Archaefructus from the Early Cretaceous of Liaoning, China possibly also belongs to this group.[14]

Classification

The Nymphaeales currently include three families and about 70 to 90 species.

order Nymphaeales
Cabombaceae
Hydatellaceae
Nymphaeaceae
Angiosperms
 

Amborella

 
 
Nymphaeales
 

Hydatellaceae

 
 
 
 

Cabombaceae

 
 

Nymphaeaceae

 
 
 
 
 
 

Austrobaileyales

 
 
 
 
 

magnoliids

 
 

Chloranthales

 
 
 
 

monocots

 
 
 

Ceratophyllum

 
 

eudicots

 
 
 
 
 
 
 
 
The classification of Nymphaeales and phylogeny within the flowering plants, as of APG III (2009).

This order was not part of the APG II system's 2003 plant classification (unchanged from the APG system of 1998), which instead had a broadly circumscribed family Nymphaeaceae (including Cabombaceae) unplaced in any order. The APG III system did separate the Cabombaceae from the Nymphaeaceae and placed them in the order Nymphaeales together with the Hydatellaceae. The family Hydatellaceae was placed among the monocots in previous systems, but a 2007 study found that the family belongs to the Nymphaeales.[15] In the APG IV system, Hydatellaceae, Cabombaceae and Nymphaeaceae are the three families included in the Nymphaeales.[16]

Some earlier systems, such as Cronquist's system of 1981, often included the Ceratophyllaceae and Nelumbonaceae in the Nymphaeales. Although, the Takhtajan system of 1980 separated the Nelumbonales, the new order was retained alongside the Nymphaeales in the superorder Nymphaeanae.

The Cronquist system placed the Nymphaeales in subclass Magnoliidae, in class Magnoliopsida [=dicotyledons]. In addition, Cronquist included the Ceratophyllaceae and split the family Barclayaceae from the Nymphaeaceae. Under the APG II system, the family Cabombaceae was included within the Nymphaeaceae, but could optionally be recognized separately. As of APG III, the two families are recognized separately.

The Dahlgren system placed the Nymphaeales with the Piperales in superorder Nymphaeanae, within subclass Magnoliideae (dicotyledons). Thorne's 1992 system (and 2000 revision) placed the Nymphaeales as the sole order in the superorder Nymphaeanae within subclass Magnoliideae (=dicotyledons).

Comparison of the Nymphaeales across five systems
APG III system[1]
Nymphaeales 		Takhtajan system[17]
Nymphaeales 		Cronquist system[18]
Nymphaeales 		Dahlgren system[19]
Nymphaeales 		Thorne system (1992)[20] & (2000)[21]
Nymphaeales
Hydatellaceae among monocots, as Hydatellales
Cabombaceae Cabombaceae
Brasenia, Cabomba
 Cabombaceae
Brasenia, Cabomba
 Cabombaceae Cabombaceae
Brasenia, Cabomba
Nymphaeaceae Nymphaeaceae
subf. Barclayoideae, Euryaloideae, Nymphaeoideae
 Barclayaceae
Barclaya
 Nymphaeaceae Nymphaeaceae
Barclaya, Euryale, Nuphar, Nymphaea, Ondinea, Victoria
Nymphaeaceae
Euryale, Nuphar, Nymphaea, Ondinea, Victoria
sister to eudicot clade Ceratophyllaceae Ceratophyllaceae Ceratophyllaceae in Ranunculanae
in Proteales in Nelumbonales Nelumbonaceae in Magnolianae

References

  1. ↑ 1.0 1.1 Angiosperm Phylogeny Group (2009). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG III". Botanical Journal of the Linnean Society 161 (2): 105–121. doi:10.1111/j.1095-8339.2009.00996.x. 
  2. ↑ Xiong, X., Zhang, J., Yang, Y., Chen, Y., Su, Q., Zhao, Y., ... & Chen, F. (2023). "Water lily research: Past, present, and future." Tropical Plants, 2(1), 1-8.
  3. ↑ Peter F. Stevens. 2001 onwards. Angiosperm Phylogeny Website At: Missouri Botanical Garden Website. (see External links below).
  4. ↑ Water lily ( Nymphaea thermarum) genome reveals variable genomic signatures of ancient vascular cambium losses | bioRxiv
  5. ↑ The Plant List (website). 2010. (See External links below.)
  6. ↑ Borsch, Thomas; Löhne, Cornelia; Samba Mbaye, Mame; Wiersema, John H. (2011). "Towards a complete species tree of Nymphaea: shedding further light on subg. Brachyceras and its relationships to the Australian water-lilies". Telopea 13 (1–2): 193–217. doi:10.7751/telopea20116014. 
  7. ↑ "Nymphaeales: Fossil Record". University of California Museum of Paleontology. http://www.ucmp.berkeley.edu/anthophyta/paleoherbs/nymphfr.html. 
  8. ↑ Else Marie Friis, Kaj Raunsgaard Pedersen and Peter R. Crane (15 March 2001). "Fossil evidence of water lilies (Nymphaeales) in the Early Cretaceous". Nature 410 (6826): 357–360. doi:10.1038/35066557. PMID 11268209. Bibcode: 2001Natur.410..357F. 
  9. ↑ Magallón, Susana; Castillo, Amanda (2009). "Angiosperm diversification through time". American Journal of Botany 96 (1): 349–365. doi:10.3732/ajb.0800060. PMID 21628193. 
  10. ↑ Bell, Charles D.; Soltis, Douglas E.; Soltis, Pamela S. (2010). "The age and diversification of the angiosperms re-revisited". American Journal of Botany 97 (8): 1296–1303. doi:10.3732/ajb.0900346. PMID 21616882. 
  11. ↑ Friis, Else Marie; Pedersen, Kaj Raunsgaard; von Balthazar, Maria; Grimm, Guido W.; Crane, Peter R. (May 2009). "Monetianthus mirus gen. et sp. nov., a Nymphaealean Flower from the Early Cretaceous of Portugal" (in en). International Journal of Plant Sciences 170 (8): 1086–1101. doi:10.1086/605120. ISSN 1058-5893. https://www.journals.uchicago.edu/doi/10.1086/605120. 
  12. ↑ Taylor, David Winship; Gee, Carole T. (1 October 2014). "Phylogenetic Analysis of Fossil Water Lilies Based on Leaf Architecture and Vegetative Characters: Testing Phylogenetic Hypotheses from Molecular Studies". Bulletin of the Peabody Museum of Natural History 55 (2): 89–110. doi:10.3374/014.055.0208. ISSN 0079-032X. https://bioone.org/journals/bulletin-of-the-peabody-museum-of-natural-history/volume-55/issue-2/014.055.0208/Phylogenetic-Analysis-of-Fossil-Water-Lilies-Based-on-Leaf-Architecture/10.3374/014.055.0208.full. 
  13. ↑ Friis, Else M.; Iglesias, Ari; Reguero, Marcelo A.; Mörs, Thomas (2017-08-01). "Notonuphar antarctica, an extinct water lily (Nymphaeales) from the Eocene of Antarctica" (in en). Plant Systematics and Evolution 303 (7): 969–980. doi:10.1007/s00606-017-1422-y. ISSN 2199-6881. 
  14. ↑ Soltis, D. E.; Bell, CD; Kim, S; Soltis, PS (June 2008). "The Year in Evolutionary Biology 2008". Annals of the New York Academy of Sciences 1133 (1): 3–25. doi:10.1196/annals.1438.005. PMID 18559813. http://www.annalsnyas.org/cgi/content/abstract/1133/1/3. 
  15. ↑ Saarela, J. M. et al. (2007). "Hydatellaceae identified as a new branch near the base of the angiosperm phylogenetic tree". Nature 446 (7133): 312–5. doi:10.1038/nature05612. PMID 17361182. Bibcode: 2007Natur.446..312S. https://digitalcommons.lsu.edu/cgi/viewcontent.cgi?article=3652&context=biosci_pubs. 
  16. ↑ Angiosperm Phylogeny Group (2016). "An update of the Angiosperm Phylogeny Group classification for the orders and families of flowering plants: APG IV". Botanical Journal of the Linnean Society 181 (1): 1–20. doi:10.1111/boj.12385. ISSN 0024-4074. 
  17. ↑ Takhtajan, Armen L. (1980). "Outline of the classification of flowering plants (Magnoliophyta)". The Botanical Review 46 (3): 225–359. doi:10.1007/BF02861558. 
  18. ↑ Cronquist, Arthur (1981). An Integrated System of Classification of Flowering Plants. New York: Columbia University Press. ISBN 978-0-231-03880-5. https://archive.org/details/integratedsystem0000cron. 
  19. ↑ Dahlgren, R.M.T. (1980). "A revised system of classification of angiosperms". Botanical Journal of the Linnean Society 80 (2): 91–124. doi:10.1111/j.1095-8339.1980.tb01661.x. 
  20. ↑ Thorne, R. F. (1992). "Classification and geography of the flowering plants". Botanical Review 58 (3): 225–348. doi:10.1007/BF02858611. 
  21. ↑ Thorne, R. F. (2000). "The classification and geography of the flowering plants: Dicotyledons of the class Angiospermae". Botanical Review 66 (4): 441–647. doi:10.1007/BF02869011. 

Further reading

  • Michael G. Simpson. Plant Systematics. Elsevier Academic Press. 2006.
  • Thomas N. Taylor, Edith L. Taylor, and Michael Krings. 2008. Paleobotany: The Biology and Evolution of Fossil Plants, Second Edition. Academic Press (an imprint of Elsevier): Burlington MA, USA. ISBN:978-0-12-373972-8

External links

Wikidata ☰ Q27421 entry



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