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(Upload on October 16 2013) [ 日本語 | English ]

Nuphar pumila (Timm) DC.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Nuphar Sibth. et Sm. (コウホネ)
Nuphar pumila (Timm) DC., also spelled as Nuphar pumilum (Timm) DC.
var. pumila
Nemurokouhone (ネムロコウホネ, 根室河骨, small yellow pond-lily
Ezokouhone (エゾコウホネ, 蝦夷河骨)
Lifeform: aquatic perennial forb
Distribution: Northern and Central Europe to Northern Asia, including northern Japan and the Northern Territories

RDB of Japan: VU (vulnerable)

Habitat: halophyte (ponds, lakes, shallow streams, etc.) ⇒ wetland (湿原)
Chromosome number: 2n (2x) = 34
Stigma disk (柱頭盤): yellow
var. ozeensis (Miki) H. Hara (オゼコウホネ)
Distribution: endemic to Japan
Stigma disk: red
索引

Nuphar pumilum in Hokkaido


ST1 ST2 ST3
[1-3] along a tiny trail for looking around small islands in O-numa Park, southern Hokkaido, on July 7 2013.

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