Nuphar sect. Nuphar is a section within the genus NupharUSDA, 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.Missouri Botanical Garden. (n.d.-f). Nuphar sect. Nuphar. Tropicos. Retrieved January 20, 2025, from https://tropicos.org/name/50318743 native to Eurasia, in addition to a single North American species Nuphar microphylla.
Description
Vegetative characteristics Nuphar sect. Nuphar are herbaceous plants.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
Generative characteristics The flowers have five sepals. The anthers are shorter or as long as half of the filament. The margin of the stigmatic disk is lobed, or rarely entire.Padgett, D. J. (2003). Phenetic studies in Nuphar Sm.(Nymphaeaceae): variation in sect. Nuphar. Plant Systematics and Evolution, 239, 187-197. The urceolate fruit has an elongate neck.Padgett, D. J. (1999). Nomenclatural novelties in Nuphar (Nymphaeaceae). Sida, Contributions to Botany, 823-826.
Taxonomy The autonymous section was created when Donald Jay Padgett described Nuphar sect. Astylus in 1999. The type species of Nuphar sect. Nuphar is Nuphar lutea
Species
Nuphar × fluminalis Shiga & Kadono Nuphar japonica DC. Nuphar lutea (L.) Sm. Nuphar microphylla (Pers.) Fernald Nuphar oguraensis MikiUSDA, 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. Nuphar pumila (Timm) DC.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. Nuphar pumila subsp. sinensis 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. Nuphar × saijoensis (Shimoda) Padgett & Shimoda Nuphar saikokuensis Shiga & Kadono Nuphar × spenneriana Gaudin Nuphar subintegerrima (Casp.) MakinoUSDA, 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. Nuphar submersa Shiga & Kadono
Distribution It occurs in Eurasia, and North America, where only one species, Nuphar microphylla, is present. The section originated and diversified in Eastern Asia.
References