Nuphar × fluminalis

Nuphar × fluminalis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Nuphar
Species:
N. × fluminalis
Binomial name
Nuphar × fluminalis
Nuphar × fluminalis is endemic to Japan[1]

Nuphar × fluminalis is a species of rhizomatous aquatic plant endemic to Japan. It is a natural hybrid of Nuphar japonica and Nuphar submersa.[1]

Description

Vegetative characteristics

Nuphar × fluminalis has an intermediate appearance and falls between Nuphar japonica and Nuphar submersa. The submerged leaves are ovate.[2]

Generative characteristics

The filaments are recurved. The anthers display orange-red colouration. The stigmatic disk, as well as the fruit, also display orange-red colouration.[2]

Reproduction

Generative reproduction

Sexual reproduction occurs within this hybrid.[2]

Taxonomy

Publication

It was first described by Takashi Shiga and Yasuro Kadono in 2007.[1]

Etymology

The nothospecific epithet fluminalis, from the Latin fluminalis, means stream or river.[3]

Conservation

It is critically endangered. Only four populations are known.[4]

Ecology

Habitat

It occurs in streams and rivers.[2]

References

  1. ^ a b c d "Nuphar × fluminalis Shiga & Kadono". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 6 May 2024.
  2. ^ a b c d Shiga, T., & Kadono, Y. (2007). Nuphar × fluminalis, a new hybrid from central Japan. Acta Phytotaxonomica et Geobotanica, 58(1), 43-50.
  3. ^ William, R. T., & Strongman, D. B. (2012). Two new genera of fungal trichomycetes, Bactromyces and Laculus (Harpellales), from Nova Scotia, Canada. Botany, 90(2), 101-111.
  4. ^ Shiga, T., Yokogawa, M., Kaneko, S., & Isagi, Y. (2013). Genetic identification of traded plants of the endangered macrophytes Nuphar submersa and N. × fluminalis (Nymphaeaceae) based on genotype data of all remnant individuals growing in the wild.