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(First upload on December 27 2016. Last on February 1 2018) [ 日本語 | English ]

Polygonum orientale L.






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

Polygonum L. (タデ)
O-oketade (オオケタデ, 大毛蓼), kiss me over the garden gate
O-obenitade (オオベニタデ, 大紅蓼)
Lifeform: annual forb with 1-2 m tall
Distribution: originally in East Asia (between India - Malaysia)

Introduced to Japan in Edo Era for gardening → naturalized in the whole of Japan
Hokkaido Blue List: B

Habitat: roadsides, wast lands, river banks, etc.
Use: gardening and medicine
Synonyms

Persicaria orientalis (L.) Spach, when Persicaria is adopted
Persicaria pilosa (Roxb.) Kitag.
Persicaria cochinchinensis (Lour.) Kitag.

索引

Polygonum orientale in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[1-3] along a trail on the southern caldera rim of Mount Usu on July 24 2017. [4-6] in the Sapporo City Nature Education Park on September 19 2016.

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