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Nuphar sect. Astylus

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Nuphar sect. Astylus
Nuphar polysepala
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nuphar
Section: Nuphar sect. Astylus
Padgett[1]
Type species
Nuphar advena (Aiton) W.T.Aiton[1]
Species

See here.

Nuphar sect. Astylus is a section within the genus Nuphar[2][1][3] native to North America.[4]

Description

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Nuphar variegata
Nuphar sagittifolia
Upper and lower surface of Nuphar variegata leaf
Broad-necked, deeply furrowed fruit of Nuphar sect. Astylus (left) and smooth, urceolate fruit with a slim, elongate neck of Nuphar sect. Nuphar (right)

Vegetative characteristics

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Its species are herbaceous plants.[2]

Generative characteristics

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The flowers have 6–9 sepals.[5] The androecium consists of laminar stamens[6] with long anthers and short filaments.[5][6] The furrowed,[5][7] barrel-shaped,[4] ovoid fruit[6] does not have a prominent neck.[6][7][4]

Taxonomy

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It was described by Donald Jay Padgett in 1999 with Nuphar advena (Aiton) W.T.Aiton as the type species.[8][4]

Species

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Etymology

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The section name Astylus means without a style.[10][11] The fruits of Nuphar sect. Astylus have broad necks, whereas fruits of Nuphar sect. Nuphar have narrow necks[5] or "styles".[4]

Distribution

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It is native to North America.[4]

Fossil record

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The fossil species †Nuphar carlquistii from the early eocene of north-central Washington, USA has been identified as member of Nuphar sect. Astylus.[6]

Ecology

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Pollination

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The flowers are pollinated by flies, bees, and beetles.[5]

References

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  1. ^ a b c Missouri Botanical Garden. (n.d.-g). Nuphar sect. Astylus Padgett. Tropicos. Retrieved December 9, 2024, from https://www.tropicos.org/name/50318742
  2. ^ a b c d e Nuphar sect. Astylus Padgett. (n.d.-c). Database of Vascular Plants of Canada (VASCAN). Retrieved December 9, 2024, from https://data.canadensys.net/vascan/taxon/2181
  3. ^ USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomygenus?type=section&id=18683. Accessed 9 December 2024.
  4. ^ a b c d e f Padgett, Donald J . (1999). Nomenclatural novelties in Nuphar (Nymphaeaceae). SIDA, Contributions to Botany, 18, 823--826. https://www.biodiversitylibrary.org/part/163222
  5. ^ a b c d e Padgett, D. J. (2003). Phenetic studies in Nuphar Sm.(Nymphaeaceae): variation in sect. Nuphar. Plant Systematics and Evolution, 239, 187-197.
  6. ^ a b c d e f g h i j k l DeVore, M. L., Taylor, W., & Pigg, K. B. (2015). Nuphar carlquistii sp. nov.(Nymphaeaceae): a water lily from the latest early Eocene, Republic, Washington. International Journal of Plant Sciences, 176(4), 365-377.
  7. ^ a b Manaaki Whenua – Landcare Research. (n.d.-d). Nuphar Sm. Flora of New Zealand. Retrieved December 9, 2024, from https://www.nzflora.info/factsheet/Taxon/Nuphar.html
  8. ^ Nuphar sect. Astylus Padgett. (n.d.-b). International Plant Names Index. Retrieved December 9, 2024, from https://www.ipni.org/n/318884-2
  9. ^ Weakley, A. S., Southeastern Flora Team, & University of North Carolina Herbarium, North Carolina Botanical Garden. (n.d.). Nuphar sagittifolia (Walter) Pursh. Flora of the Southeastern United States. Retrieved December 9, 2024, from https://fsus.ncbg.unc.edu/main.php?pg=show-taxon.php&taxonid=283#
  10. ^ A Grammatical Dictionary of Botanical Latin. (n.d.-b). Missouri Botanical Garden. Retrieved December 9, 2024, from https://www.mobot.org/mobot/latindict/keyDetail.aspx?keyWord=astylus
  11. ^ Gledhill, D. (2008). The Names of Plants. p. 60. Vereinigtes Königreich: Cambridge University Press.