| Nuphar × fluminalis | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nuphar |
| Species: | N. × fluminalis |
| Binomial name | |
| Nuphar × fluminalis Shiga & Kadono | |
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| Nuphar × fluminalis is endemic to Japan | |
Nuphar × fluminalis is a species of rhizomatous aquatic plant endemic to Japan. It is a natural hybrid of Nuphar japonica and Nuphar submersa.
Description
Vegetative characteristics
Nuphar × fluminalis has an intermediate appearance and falls between Nuphar japonica and Nuphar submersa. The submerged leaves are ovate.
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.
Reproduction
Generative reproduction
Sexual reproduction occurs within this hybrid.
Taxonomy
Publication
It was first described by Takashi Shiga and Yasuro Kadono in 2007.
Etymology
The nothospecific epithet fluminalis, from the Latin fluminalis, means stream or river.
Conservation
It is critically endangered. Only four populations are known.
Ecology
Habitat
It occurs in streams and rivers.
References
- ^ "Nuphar × fluminalis Shiga & Kadono". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 6 May 2024.
- ^ Shiga, T., & Kadono, Y. (2007). Nuphar × fluminalis, a new hybrid from central Japan. Acta Phytotaxonomica et Geobotanica, 58(1), 43-50.
- 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.
- 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.
| Taxon identifiers | |
|---|---|
| Nuphar × fluminalis | |