Nuphar pumila var. ozeensis




Family Nymphaeaeceae
Scientific name Nuphar pumila (Timm) de Candolle var. ozeensis (Miki) H. Hara
Synonyms Nuphar ozeensis Miki; Nuphar pumilum (Timm) de Candolle var. ozeense (Miki) H. Hara
Common name (Japanese common name) oze koh-hone (オゼコウホネ, 尾瀬河骨 [meaning: Oze Swamp white bone])
(English common name) none
Distribution (Japan) Hokkaido (Sarufutsu Swamp), Honshu (Oze Swamp, Mt. Gassan)
(Other nations) none
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.
Photos below are those of a plant which was cultivated by Nikko Botanical Garden and displayed as Nuphar pumila var. ozeensis.



June 2008
at Nikko Botanical Garden
June 2008
at Nikko Botanical Garden
June 2008
at Nikko Botanical Garden



June 2008
at Nikko Botanical Garden
June 2008
at Nikko Botanical Garden
June 2008
at Nikko Botanical Garden