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(Upload on November 17 2021) [ 日本語 | English ]

Hypericum yezoense Maxim.






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

Hypericum L. (オトギリソウ)
Ezo-otogiri (エゾオトギリ, 蝦夷弟切), Yezo St. John's wort* (*: tentative)
Lifeform: deciduous perennial forb < 10-30 cm high
Distribution: Japan (north to northern Honshu) and Sakhalin
Habitat: rocky sites and grasslands in mountains or near seashores
Leaf: many translucent dots or pale glands on the surface and dark dots on the margin
Synonyms:

Hypericum attenuatum Choisy var. fruticulosa F. Schmidt

索引

Hypericum yezoense in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[1-3] in Shiretoko Five Lakes Aera, eastern Hokkaido, on August 29 2020. [4-6] in Experimental Station for Medical Plant Studies, Faculty of Medicine, Hokkaido University, on September 8 2021.

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