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Nuphar sect. Astylus

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Section of the genus Nuphar in the family Nymphaeaceae

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
Type species
Nuphar advena (Aiton) W.T.Aiton
Species

See here.

Nuphar sect. Astylus is a section within the genus Nuphar native to North America.

Description

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

Its species are herbaceous plants.

Generative characteristics

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

Taxonomy

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

Species

Etymology

The section name Astylus means without a style. The fruits of Nuphar sect. Astylus have broad necks, whereas fruits of Nuphar sect. Nuphar have narrow necks or "styles".

Distribution

It is native to North America.

Fossil record

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

Ecology

Pollination

The flowers are pollinated by flies, bees, and beetles.

References

  1. ^ Missouri Botanical Garden. (n.d.-g). Nuphar sect. Astylus Padgett. Tropicos. Retrieved December 9, 2024, from https://www.tropicos.org/name/50318742
  2. ^ 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. ^ Padgett, Donald J . (1999). Nomenclatural novelties in Nuphar (Nymphaeaceae). SIDA, Contributions to Botany, 18, 823--826. https://www.biodiversitylibrary.org/part/163222
  5. ^ Padgett, D. J. (2003). Phenetic studies in Nuphar Sm.(Nymphaeaceae): variation in sect. Nuphar. Plant Systematics and Evolution, 239, 187-197.
  6. ^ 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. ^ 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.
Taxon identifiers
Nuphar sect. Astylus
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