Nuphar pumila

Family	Nymphaeaeceae
Scientific name	Nuphar pumila (Timm) de Candolle
Synonyms	Nuphar bornetii H. Léveillé & Vaniot; Nuphar centricavata J. Schuster; Nuphar lutea subsp. pumila (Timm) E. O. Beal; Nuphar minima (Willdenow) Smith; Nuphar pumilum (Timm) de Candolle; Nuphar shimadae Hayata; Nuphar subpumila Miki; Nuphar tenella Reichenbach; Nymphaea lutea L. subsp. pumila (Timm) Bonnier & Layens; Nymphaea lutea L. var. minima Willdenow; Nymphaea lutea L. var. pumila Timm; Nymphaea pumila (Timm) Hoffmann; Nymphozanthus centricavatus (J. Schuster) Fernald; Nymphozanthus pumilus (Timm) Fernald
Common name	(Japanese common name) nemuro koh-hone (ネムロコウホネ, 根室河骨 [meaning: Nemuro Swamp koh-hone])
	(English common name) none
Distribution	(Japan) Hokkaido, Honshu (northern area)
	(Other nations) Russia, Korea, China, Mongolia, Europe
Habitat	Subalpine pond or swamp
Chromosomal number	2n=34 (2x)
Description	Leaves 6-10cm long. Flowers yellow 2.5cm, flowering in July to August. Water plants. Perennial plants.
Reference	Nuphar pumila (Timm) DC. subsp. pumila
	Nuphar pumila (Timm) de Candolle
	Change of Distribution of Nymphaea tetragona Georgi and Nuphar pumilum DC. var. ozeense H. Hara(Nymphaeaceae) in an Interval of 16 years on the Basis of Pool Catalog Database of the Ozegahara Moor, Central Japan.
Note	Japanese authors have beleived that Nuphar pumila (Timm) de Candolle var. ozeensis (Miki) H. Hara (syn. Nuphar ozeensis Miki; Nuphar pumilum (Timm) de Candolle var. ozeense (Miki) H. Hara) is endemic to Japan.

July 2008 at Ohsaka City University Botanical Garden	July 2008 at Ohsaka City University Botanical Garden	July 2008 at Ohsaka City University Botanical Garden

July 2008 at Ohsaka City University Botanical Garden