Nuphar oguraensis
From Wikipedia, the free encyclopedia
| Nuphar oguraensis | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Order: | Nymphaeales |
| Family: | Nymphaeaceae |
| Genus: | Nuphar |
| Section: | Nuphar sect. Nuphar |
| Species: | N. oguraensis |
| Binomial name | |
| Nuphar oguraensis Miki[1] | |
_(W3).svg) | |
| Nuphar oguraensis is endemic to Japan[1] | |
| Synonyms[1] | |
| |
Nuphar oguraensis is a species of rhizomatous aquatic plant endemic to Japan.[1]
Vegetative characteristics
The petiolate, green, ovate floating leaves are 7.5-11.5 cm long, and 6-9 cm wide. The petiole is 1-3 mm wide.[2] The petiole is semi-hollow.[3]
Generative characteristics
The flowers are 1.7-2.5 cm wide. The 2.5-3 cm long, and 1.5-2 cm wide fruit bears brown, 3.5-4 mm long, and 2.5 mm wide seeds.[2]
Reproduction
Generative reproduction
Flowering occurs from June to October.[2]
Taxonomy
Publication
It was first described by Shigeru Miki in 1934.[1]
Type specimen
The lectotype is an illustration of this species in the original publication by Shigeru Miki.[2][4]
Natural hybridisation
It has been speculated to be of hybrid origin involving Nuphar pumila and Nuphar japonica.[2]
