Nymphaea subg. Hydrocallis is a subgenus of the genus Nymphaea.
Description
Vegetative characteristics Species of Nymphaea subg. Hydrocallis are perennial, rhizomatous, aquatic herbs with contractile roots. The floating, petiolate leaves are orbicular to elliptic and have an entire margin. Generative characteristics The flowers are nocturnal and float on the water surface.Wiersema, J. H. (1987). A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Systematic Botany Monographs, 1-112. The carpels have enlarged, clavate carpellary appendages.Conard, H. S. (2015). The Waterlilies: A Monograph of the Genus Nymphaea (Classic Reprint). p. 200. USA: FB&C Limited.de Lima, C. T., Machado, I. C., & Giulietti, A. M. (2021). "Nymphaeaceae of Brasil." Sitientibus série Ciências Biológicas, 21. The flowers emit solvent-like, pungent, fermented, or fruity fragrances.Maia, A. C. D., de Lima, C. T., Navarro, D. M. D. A. F., Chartier, M., Giulietti, A. M., & Machado, I. C. (2014). "The floral scents of Nymphaea subg. Hydrocallis (Nymphaeaceae), the New World night-blooming water lilies, and their relation with putative pollinators." Phytochemistry, 103, 67-75.
Taxonomy Publication It was first described as Nymphaea sect. Hydrocallis Planch. by Jules Émile Planchon in 1853. Later, it was elevated to the status of the subgenus Nymphaea subg. Hydrocallis (Planch.) Conard by Henry Shoemaker Conard in 1905.Missouri Botanical Garden. (n.d.-d). Nymphaea subg. Hydrocallis (Planch.) Conard. Tropicos. Retrieved December 2, 2024, from https://www.tropicos.org/name/100411299Nymphaea subg. Hydrocallis. (2020, January 24). Wikispecies. Retrieved 13:29, January 23, 2024 from https://species.wikimedia.org/w/index.php?title=Nymphaea_subg._Hydrocallis&oldid=7353121.Nymphaea subgen. Hydrocallis | International Plant Names Index. (n.d.). Retrieved January 23, 2024, from https://www.ipni.org/n/77303969-1Nymphaea sect. Hydrocallis | International Plant Names Index. (n.d.). Retrieved January 23, 2024, from https://www.ipni.org/n/77303563-1 Species
Nymphaea amazonum Löhne, C., Yoo, M. J., Borsch, T., Wiersema, J., Wilde, V., Bell, C. D., ... & Soltis, P. S. (2008). Biogeography of Nymphaeales: extant patterns and historical events. Taxon, 57(4), 1123-19E. Nymphaea belophylla Nymphaea caatingae Nymphaea conardii Nymphaea francae Nymphaea gardneriana Nymphaea glandulifera Nymphaea harleyi Nymphaea jamesoniana Nymphaea lasiophylla Nymphaea lingulata Nymphaea novogranatensis Nymphaea oxypetala Nymphaea paganuccii Nymphaea pedersenii Nymphaea potamophila Nymphaea prolifera Nymphaea rapinii Nymphaea rudgeana Nymphaea tenuinervia Nymphaea vanildae
Distribution The distribution of species within this subgenus extends from the southern United States through Central America, and the Caribbean to South America.
Ecology Pollination Flowers of Nymphaea subg. Hydrocallis are pollinated by Cyclocephala beetles.M Cramer, J., Meeuse, A. D. J., & Teunissen, P. A. (1975). A note on the pollination of nocturnally flowering species of Nymphaea. Acta Botanica Neerlandica, 24(5/6), 489-490.
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