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(First upload on October 25 2012. Last on March 9 2017) [ 日本語 | English ]

Oplismenus undulatifolius (Ard.) Roem. et Schult.






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

Oplismenus P. Beauv. (チヂミザサ)
O. undulatifolius (Ard.) Roem. et Schult. (チヂミザサ, s.l.)
Life form: annual grass
Seed dispersal: animal (ecto-zoochore)
Chromosome number: 2n = 54
Synonyms

Oplismenus hirtellus auct. non (L.) P.Beauv.
Panicum undulatifolium Ard. (basionym)

var. imbecillis (R. Br.) Hack. (ホソバチヂミザサ)
var. japonicus (Steud.) Koidz. (コチヂミザサ, 小縮笹)
Distribution: China - Korea - Japan
Stem and inflorescence: less hair
var. microphyllus (Honda) Ohwi (チャボチヂミザサ)
var. undulatifolius (Kechijimizasa, ケチヂミザサ, s.s., 毛縮笹), basketgrass
Distribution: widespread in the Eurasian Continent
Habitat: sunny forests

Field training on integrated environmental research (統合環境調査法実習) (出現種リスト)

索引

Oplismenus undulatifolius in Asia


ST1 ST2 ST3
ST4 ST5 ST6
[1/2] var. undulatifolius on the north slope of Mount Namsan (265 m elevation) in Seoul City, Korea, on September 13 2012. This species is exotic to Korea as well as to Japan. I believe that this mountian should be conserved well. [3/4] in the Koishikawa-Korakuen Gardens (小石川後楽園), Tokyo, on November 18 2016. [5/6] var. japonicus at a trail to go Yakuo-in Shrine on Mount Takao (599 m elevation), Tokyo, on October 21 2013 → Mount Takao forest for recreational use (高尾山自然休養林)

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