(First upload on September 10 2007. Last on November 17 2022) [ 日本語 | English ]

Orchis aristata Fischer ex Lindl.

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

Orchis Tourn. ex L. (ハクサンチドリ)
Hakusanchidori (ハクサンチドリ, 白山千鳥), Hakusan plover orchid
Lifeform: perennial forb, developing orchid mycorrhiza
Distribution: northeast Russia, Korea - Japan (Hokkaido and north to central Honshu) - the Aleutian Islands - Alaska
Habitat: grasslands and wetlands (this species is categorized into '(sub-)alpine plant' in Honshu, while we see this even in the lowland of Hokkaido)

Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト)


Dactylorhiza aristata (Fisch. ex Lindl.) Soo
Dactylorchis aristata (Fisch. ex Lindl.) Verm. ex F. Maek., comb. nud.

f. albiflora (Koidz.) Tatewaki (シロバナハクサンチドリ)
f. punctata Tatewaki (ウズラバハクサンチドリ)

Orchis aristata in Hokkaido

Orchis1 Orchis2 Orchis3 Orchis4
[1] at Shinsen Bog in Niseko on June 24 2007. [2] in Teshio Experimental Forest, northern Hokkaido, on June 15 2011. [3/4] near the summit of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. Records: in Shimo-Sarobetsu mire (a part of Sarobetsu mire) on May 27 2023. In an area, where the Otaru-Yoichi wind farm was planned, observed on June 15 2023.

Mount Koma (flora)

Orchis1 Orchis2 Orchis3
[1-3] at the summit area on June 20 2022.

f. albiflora

Orchis5 Orchis6 Orchis7
[5/6] f. albiflora. [7] grown with f. albiflora. [5-7] in the Arboretum of Teshio Experimental Forest, nothern Japan, on June 14 2012.