Nymphaea subg. Anecphya

'Nymphaea'' subg. Anecphya' is a subgenus of the genus Nymphaea''.

Vegetative characteristics
The rhizomes are erect and tuberous. The rhizomes do not produce stolons. The leaves have dentate margins.

Generative characteristics
The diurnal flowers are large and emergent. In Nymphaea subg. Anecphya s.str. there is a conspicuous gap separating petals from stamens. The flowers have up to 600 stamens. The carpels do not have carpellary appendages.

Publication
It was published by Robert Caspary as Nymphaea subsect. Anecphya Casp. in 1888. Later, it was elevated to the subgenus Nymphaea subgen. Anecphya (Casp.) Conard published by Henry Shoemaker Conard in 1905. Part of this subgenus was split off by Surrey Wilfrid Laurance Jacobs in 2007 to create the new subgenus Nymphaea subgenus Confluentes S.W.L.Jacobs.

Type species
The type species is Nymphaea gigantea Hook.

Species

 * Nymphaea alexii S.W.L.Jacobs & Hellq.
 * Nymphaea atrans S.W.L.Jacobs
 * Nymphaea carpentariae S.W.L.Jacobs & Hellq.
 * Nymphaea elleniae S.W.L.Jacobs
 * Nymphaea georginae S.W.L.Jacobs & Hellq.
 * Nymphaea gigantea Hook.
 * Nymphaea hastifolia Domin
 * Nymphaea immutabilis S.W.L.Jacobs
 * Nymphaea jacobsii Hellq.
 * Nymphaea kakaduensis Hellq., A.Leu & M.L.Moody
 * Nymphaea kimberleyensis (S.W.L.Jacobs) S.W.L.Jacobs & Hellq.
 * Nymphaea lukei S.W.L.Jacobs & Hellq.
 * Nymphaea macrosperma Merr. & L.M.Perry
 * Nymphaea noelae S.W.L.Jacobs & Hellq.
 * Nymphaea ondinea Löhne, Wiersema & Borsch
 * Nymphaea vaporalis S.W.L.Jacobs & Hellq.
 * Nymphaea violacea Lehm.

Distribution
Nymphaea subg. Anecphya has an Australasian distribution.

Habitat
Species of this subgenus occur in lagoons, lakes, ponds, creeks, artificial dams, and billabongs.