Nuphar sect. Astylus is a section within the genus NupharNuphar sect. Astylus Padgett. (n.d.-c). Database of Vascular Plants of Canada (VASCAN). Retrieved December 9, 2024, from https://data.canadensys.net/vascan/taxon/2181Missouri Botanical Garden. (n.d.-g). Nuphar sect. Astylus Padgett. Tropicos. Retrieved December 9, 2024, from https://www.tropicos.org/name/50318742USDA, 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. native to North America.
Description
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,Padgett, D. J. (2003). Phenetic studies in Nuphar Sm.(Nymphaeaceae): variation in sect. Nuphar. Plant Systematics and Evolution, 239, 187-197.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 barrel-shaped, ovoid fruit does not have a prominent neck.Padgett, Donald J . (1999). Nomenclatural novelties in Nuphar (Nymphaeaceae). SIDA, Contributions to Botany, 18, 823--826. https://www.biodiversitylibrary.org/part/163222
Taxonomy It was described by Donald Jay Padgett in 1999 with Nuphar advena as the type species.Nuphar sect. Astylus Padgett. (n.d.-b). International Plant Names Index. Retrieved December 9, 2024, from https://www.ipni.org/n/318884-2 Species
Nuphar advena Nuphar polysepala Nuphar variegata Nuphar sagittifolia 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# Nuphar carlquistii 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. Nuphar ulvacea Nuphar orbiculata Nuphar ozarkana
Etymology The section name Astylus means without a style.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=astylusGledhill, D. (2008). The Names of Plants. p. 60. Vereinigtes Königreich: Cambridge University Press. 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