Top
Header

(First upload on November 27 2015. Last on February 25 2018) [ 日本語 | English ]

Polygonum sagittatum L. var. sieboldi (Meisn.) Maxim.






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

Polygonum L. (タデ)
P. sagittatum L. (アキノウナギツカミ, s.l.) arrowleaf tearthumb
Synonyms:

Persicaria sagittata (L.) Gross., when Persicaria is establshed

var. sieboldi (Meisn.) Maxim.
Akinounagitsukami (アキノウナギツカミ, 秋之鰻掴), arrowleaf tearthumb
Lifeform: annual forb
Distribution: China - Siberia - Korea - Japan
Habitat: margins of open water
Chromosome number: 2n = 34 or 40
Synonyms:

Polygonum sieboldi Meisn.

var. sagittatum, eastern North America

var. aestivum Makino (ウナギツカミ) (北村他 1961)
索引

Polygonum sagittatum in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[1] at a margin of pond biside a building in Tomakomai Experimental Forest September 14 2017. [2-4] adjacent to a pond in Tsukiura Forest Park (月浦森林公園) faced to Toya Lake on September 15 2015. [5/6] in the Sapporo City Nature Education Park on September 19 2016. Records: in Shibetsu wetland, eastern Hokkaido, on Augsut 28 2020. Many seedlings along Atsuma Coast (浜厚真), central Hokkaido, on June 16 2020.A

フッター