(First upload on July 14 2011. Last on September 25 2023) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Apiaceae (Umbelliferae) (セリ科) > Chamaele decumbens
Chamaele Miq. (セントウソウ) in JapanOne species, C. decumbens, is distributed in JapanSentousou (セントウソウ, 仙洞草) Ourendamashi (オウレンダマシ) Lifeform : perennial forb < 35 cm Distribution: endemic to Japan Habitat: forest floor and edge Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) |
Chromosome number: 2n = 22 Synonyms: Sium decumbens Thunb. var. gracillima H. Wolff (ヒナセントウソウ)var. micrantha Masam. (ヤクシマセントウソウ) f. dilatata Satake et Okuyama (イブキセントウソウ) f. flabellifoliata Y. Kimura (オオギバセントウソウ) f. japonica (Y. Yabe) Ohwi (ミヤマセントウソウ), slim leaf |
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[1] in Tomakomai Experimental Forest (ToEF) on May 21 2005. [2-4] in a backyard of the ruins of Shimamatsu Station (島松駅逓所) on May 3 2016. [5/6] along Horonai River in ToEF, central Hokkaido, on June 10 2022.