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(First upload on November 3 2009. Last on March 3 2017) [ 日本語 | English ]

Rosa L. (バラ) O-o-takane-ibara (オオタカネイバラ, 大高嶺茨), prickly rose or arctic rose Lifeform: deciduous shrub < 3 m in height Distribution: a Holarctic distribution in northern Asia, Europe, and North America Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)

Habitat: open forest, and thickets Species checklist in Alaska Stem: many spines Leaflet = 5-7 Fruit: hip = red, shaped European pear (oblong) Chromosome number: 2n = 42 or 56 Synonyms: Rosa bourgeauiana Crèp. Rosa sayi Schwein.

Rosa acicularis in boreal zones

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Alaska

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[1] at the Upper Chatanika Camp Site near Fairbanks on August 11 2009. [2] along a paved road, Fairbanks, on August 10 2014. [3/4] at a park where we camped, Fairbnaks, on August 5 2014.

Hokkaido

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3 4 5
[1/2] at a trail to go Mount Higashi-Nupukaushinupuri (1252 m elevation), eastern Hokkaido, on June 27 2013. [3-5] transplanted along Sapporo-Shindo Road on N30/E20, East Ward, on August 14 2014. Record: transplanted in the backyard of Fujimi Road Station, northern Hokkaido, on August 29 2018.