(First upload on January 15 2015. Last on November 6 2019) [ 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) > Scheuchzeriaceae (ホロムイソウ科) > Scheuchzeria palustris
[Engler's syllabus エングラー体系]
formerly merged into Juncaginaceae (シバナ) (e.g., Ohwi & Kitagawa 1983)Scheuchzeria L. (ホロムイソウ)Monotypic (= 1 genus and 1 species) |
Flowers: six tepals with inflated sheathing base Stamen: 6 Carpel: 3 |
Horomuisou (ホロムイソウ, 幌向草), podgrass, rannochrush, or Scheuchzeria Life form: deciduous forb Distribution: cool temperate in the Northern Hemisphere (the southern limit is isolatedly distributed in Midorogaike Pond (深泥池) in Kyoto) |
Habitat: wetlands Two subspecies when established ssp. palustris: north and eastern Europe - northern Asia ssp. americana (Fernald) Hultén.: northern North America |
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[1] in a post-mined peatland, Sarobetsu mire (サロベツ湿原), northern Hokkaido, on July 23 2014. [2] near Akanuma (Red Pond), Kushiro Moor, eastern Hokkaido, on June 28 2015. [3-6] in a post-mined peatland, Sarobetsu mire. [3] on May 22 2016. [4-6] on June 12 2019.