(First upload on January 3 2014. Last on April 10 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) > Orchidaceae (ラン科) > Platanthera tipuloides
Platanthera L. C. Rich. (ツレサギソウ)P. tipuloides (L. f.) Lindl.Hosobanokisochidori (ホソバノキソチドリ, 細葉ノ木曽千鳥, s.l.), Aleutian bog orchid Lifeform: perennial forb Chromosome number: 2n = 42 ssp. linearifolia (Ohwi) K. Inoue (ナガバトンボソウ) ssp. nipponica (Makino) Murata (コバノトンボソウ) Distribution: Japan (not reported from the other countries) Habitat: swamps Flowering stem: erect with one slim, elliptical leaf at the lower part Flower: slanting on a side Spur on lip: turning up with 12-18 mm long |
Synonyms:
Platanthera nipponica Makino, used when the species is established
var. sororia (Schltr.) Soo (ホソバノキソチドリ, s.s.) Distribution: Alaska |
Synonyms:
Habenaria behringiana (Rydb.) Ames |
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[1-3] in a post-mined peatland, Sarobetsu mire (サロベツ湿原), northern Hokkaido, on July 23 2014. [4-6] in Shizukari wetland, southern Hokkaido, on July 7 2017. Records: flowering in the post-mined peatland on July 13 2022.
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[1-3] in a post-mined peatland, Sarobetsu mire, on September 6 2002. The specimen is stored in SAPS.