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(First upload on August 21 2013. Last on June 29 2016) [ 日本語 | English ]

Primula jesoana Miq.






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

Primula L. (サクラソウ)
Primula jesoana Miq., Yalu river primrose
var. jesoana (オオサクラソウ), the type
Distribution: between central Honshu and southeastern Hokkaido
Hokkaido RDB: nearly-threatened (NT)

f. leucantha H. Hara (シロバナミヤマサクラソウ)

var. pubescens (Takeda) Takeda et H. Hara
Ezo-o-sakurasou (エゾオオサクラソウ, 蝦夷大桜草)
Lifeform: deciduous perennial forb
Distribution: eastern Hokkaido and Korean Peninsula

Hokkaido RDB: near-threatened (NT)

Habitat: forest floors and edges

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

f. albiflora Tatew. (シロバナエゾオオサクラソウ)
f. nudiuscula (Nakai et Kitag.) H. Hara (ウスゲノエゾザクラ)

var. hallaisanensis (Nakai ex Kitag.) T. Yamaz. (タンナサクラソウ)
索引

Primula jesoana in Hokkaido


var. pubescens

P1 P2
P3 P4
[1-3] at Meakan-Onneto Natural Forest, eastern Hokkaido, on June 25 2013. [4] at the entrance of Mount Apoi, south-central Hokkaido, on June 15 2016.

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