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(Upload on January 5 2013) [ 日本語 | English ]

Polygonum debile Meisner






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

Polygonum L. (タデ)
Miyamatanisoba (ミヤマタニソバ, 深山谷蕎麦), mountain nepalese smartweed * (* tentative)
Lifeform: annual forb
Distribution: Korea - Japan (except Hokkaido)

Mount Takao forest for recreational use (高尾山自然休養林)

Habitat: mesic forests
Stem: non-erect
Chromosome number: 2n = 16
Polygonum nepalense (タニソバ)
Synonyms:

Persicaria debilis (Meisn.) H. Gross ex W. T. Lee
Polygonum debile Meisn. f. purpureum N. Yonez.
Truellum debile (Meisner) Sojak

索引

Polygonum debile in Japan


ST1 ST2 ST3
[1-3] at a 6th trail near the Biwa Falls on Mount Takao (599 m elevation), Tokyo, on October 21 2013.

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