Nuphar sect. Nuphar

Nuphar sect. Nuphar is a section within the genus Nuphar^[2][3][4] native to Eurasia,^[1] in addition to a single North American species Nuphar microphylla.^[3][1]

Nuphar sect. Nuphar
Nuphar lutea
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Order:	Nymphaeales
Family:	Nymphaeaceae
Genus:	Nuphar
Section:	Nuphar sect. Nuphar (Autonym)
Type species
Nuphar lutea (L.) Sm.[1]
Species
See here

Description

Nuphar subintegerrima

Broad-necked, deeply furrowed fruit of Nuphar sect. Astylus (left) and smooth, urceolate fruit with a slim, elongate neck of Nuphar sect. Nuphar (right)

Vegetative characteristics

Nuphar sect. Nuphar are herbaceous plants.^[3]

Generative characteristics

The flowers have five sepals. The anthers are shorter or as long as half of the filament.^[1] The margin of the stigmatic disk is lobed, or rarely entire.^[5] The urceolate fruit has an elongate neck.^[1]

Taxonomy

The autonymous section was created when Donald Jay Padgett described Nuphar sect. Astylus Padgett in 1999. The type species of Nuphar sect. Nuphar is Nuphar lutea (L.) Sm.^[1]

Species

• Nuphar × fluminalis Shiga & Kadono
• Nuphar japonica DC.^[6]
• Nuphar lutea (L.) Sm.^[1][6]
• Nuphar microphylla (Pers.) Fernald^[6]
• Nuphar oguraensis Miki^[7]
• Nuphar pumila (Timm) DC.^[6]
• Nuphar pumila subsp. sinensis (Hand.-Mazz.) Padgett^[8]
• Nuphar × saijoensis (Shimoda) Padgett & Shimoda
• Nuphar saikokuensis Shiga & Kadono
• Nuphar × spenneriana Gaudin
• Nuphar subintegerrima (Casp.) Makino^[9]
• Nuphar submersa Shiga & Kadono

Distribution

It occurs in Eurasia,^[1] and North America, where only one species, Nuphar microphylla, is present.^[3][1] The section originated and diversified in Eastern Asia.^[6]