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(Upload on January 17 2013) [ 日本語 | English ]

Hypericum majus (A. Gray) Britton






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

索引
Hypericum L. (オトギリソウ)

Ookanadaogiri (オオカナダオトギリ, 大加奈陀弟切), large (Canadian) St. John's wort
Lifeform: annaul/short-lived perennial forb with short leafy rhizomes
Distribution: exotic to Japan
Habitat: roadsides (establishing facultatively in wetlands, as in the native regions)
Flower: smaller petals than the other Hypericum species < 7 mm long
Synonyms:

Sarothra major (A. Gray) Y. Kimura

Hypericum perforatum in Hokkaido


ST1 ST2
[1/2] at a raodside, N27/E2, East Ward, Sapporo, on Auust 31 2012.

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