Biology:Nymphaea subg. Hydrocallis

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Short description: Subgenus of flowering plants

Nymphaea subg. Hydrocallis
Nymphaea amazonum Bot. Mag. 80. 4823. 1854.jpg
Botanical illustration of Nymphaea amazonum
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nymphaea
Subgenus: Nymphaea subg. Hydrocallis
(Planch.) Conard[1]
Type species
Nymphaea amazonum Mart. & Zucc.[2]
Species

See here

Synonyms[3]
  • Nymphaea sect. Hydrocallis Planch.
  • Nymphaea subsect. Hydrocallis (Planch.) Casp.

Nymphaea subg. Hydrocallis is a subgenus of the genus Nymphaea.[4][3][1]

Description

Floating leaf of Nymphaea glandulifera Rodschied with scale bar (5 cm) on a white background. The adaxial leaf surface is on the left side, and the abaxial leaf surface is on the right side.
Nymphaea rudgeana G.Mey. fruit with characteristic carpellary appendages

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.[4]

Generative characteristics

The flowers are nocturnal and float on the water surface.[5][4] The carpels have enlarged, clavate carpellary appendages.[5][1]

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.[1][6][7][2]

Species


Distribution

The distribution of species within this subgenus extends from the southern United States through Central America, and the Caribbean to South America.[1]

References

  1. 1.0 1.1 1.2 1.3 1.4 de Lima, C. T., Machado, I. C., & Giulietti, A. M. (2021). "Nymphaeaceae of Brasil." Sitientibus série Ciências Biológicas, 21.
  2. 2.0 2.1 Nymphaea sect. Hydrocallis | International Plant Names Index. (n.d.). Retrieved January 23, 2024, from https://www.ipni.org/n/77303563-1
  3. 3.0 3.1 Nymphaea 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.
  4. 4.0 4.1 4.2 Wiersema, J. H. (1987). A monograph of Nymphaea subgenus Hydrocallis (Nymphaeaceae). Systematic Botany Monographs, 1-112.
  5. 5.0 5.1 Conard, H. S. (2015). The Waterlilies: A Monograph of the Genus Nymphaea (Classic Reprint). p. 200. USA: FB&C Limited.
  6. Tropicos | Name - Nymphaea subg. Hydrocallis (Planch.) Conard. (n.d.). Retrieved January 23, 2024, from http://legacy.tropicos.org/Name/100411299
  7. Nymphaea subgen. Hydrocallis | International Plant Names Index. (n.d.). Retrieved January 23, 2024, from https://www.ipni.org/n/77303969-1

Wikidata ☰ Q21382379 entry