Nuphar subintegerrima

Nuphar subintegerrima is a species of rhizomatous aquatic plant endemic to Japan.

Description

Vegetative characteristics

Nuphar subintegerrima has emerging or floating leaves. The leaves are 5-11 cm long, and 4-8.5 cm wide.

Generative characteristics

The pedunculate, solitary, yellow flower extends above the water surface. Ripe fruit detach from the plants.

Reproduction

Vegetative reproduction

It reproduces vegetatively through its rhizomes.

Generative reproduction

It reproduces sexually. Flowering occurs from May to November.

Taxonomy

Publication

It was first described by Robert Caspary as the variety Nuphar japonica var. subintegerrima Casp. in 1866. It was elevated to the species Nuphar subintegerrima Makino by Tomitaro Makino in 1910.

Ecology

Habitat

It occurs in streams, bogs and irrigation ponds.

Pollination

It is pollinated by the fly species Notiphila maritima.

Herbivory

The larvae of the moth species Neoschoenobia testacealis feed on leaves and flower stalks of Nuphar subintegerrima.