Nuphar sect. Nuphar is a section within the genus Nuphar[2][3][4] native to Eurasia,[1] in addition to a single North American species Nuphar microphylla.[3][1]

Description

Nuphar subintegerrima
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

Nuphar sect. Nuphar are herbaceous plants.[3]

Generative characteristics

The flowers have five sepals. The anthers are shorter or as long as half of the filament.[1] The margin of the stigmatic disk is lobed, or rarely entire.[5] The urceolate fruit has an elongate neck.[1]

Taxonomy

The autonymous section was created when Donald Jay Padgett described Nuphar sect. Astylus Padgett in 1999. The type species of Nuphar sect. Nuphar is Nuphar lutea (L.) Sm.[1]

Species

Distribution

It occurs in Eurasia,[1] and North America, where only one species, Nuphar microphylla, is present.[3][1] The section originated and diversified in Eastern Asia.[6]

References

  1. ^ a b c d e f g h i Padgett, D. J. (1999). Nomenclatural novelties in Nuphar (Nymphaeaceae). Sida, Contributions to Botany, 823-826.
  2. ^ USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomygenus?type=section&id=18682. Accessed 20 January 2025.
  3. ^ a b c d Nuphar sect. Nuphar. (n.d.). Database of Vascular Plants of Canada (VASCAN). Retrieved January 20, 2025, from https://data.canadensys.net/vascan/taxon/2182?lang=en
  4. ^ Missouri Botanical Garden. (n.d.-f). Nuphar sect. Nuphar. Tropicos. Retrieved January 20, 2025, from https://tropicos.org/name/50318743
  5. ^ 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 Volkova, P. A., Arutyunyan, N. G., Schanzer, I. A., Chemeris, E. V., & Bobrov, A. A. (2018). Genetic variability of Eurasian Nuphar species unravels possible routes in which freshwater plants could fill their wide areas. Aquatic Botany, 145, 49-57.
  7. ^ USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=416188. Accessed 31 January 2025.
  8. ^ USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=416189. Accessed 31 January 2025.
  9. ^ USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=416194. Accessed 31 January 2025.
Allikas: http://en.wikipedia.org/wiki/Nuphar_sect._Nuphar
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